diff --git a/.licenses/npm/smol-toml.dep.yml b/.licenses/npm/smol-toml.dep.yml
new file mode 100644
index 00000000..720466b1
Binary files /dev/null and b/.licenses/npm/smol-toml.dep.yml differ
diff --git a/README.md b/README.md
index de8d2ae3..ab2a8afc 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ See [action.yml](action.yml)
     # Examples: 12.x, 10.15.1, >=10.15.0, lts/Hydrogen, 16-nightly, latest, node
     node-version: ''
 
-    # File containing the version Spec of the version to use.  Examples: package.json, .nvmrc, .node-version, .tool-versions.
+    # File containing the version Spec of the version to use.  Examples: package.json, mise.toml, .nvmrc, .node-version, .tool-versions.
     # If node-version and node-version-file are both provided the action will use version from node-version.
     node-version-file: ''
 
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index 4d7a79a0..e2f90be8 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -1,18 +1,18 @@
+import * as cache from '@actions/cache';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
-import * as tc from '@actions/tool-cache';
-import * as cache from '@actions/cache';
 import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
 
 import fs from 'fs';
-import path from 'path';
 import osm from 'os';
+import path from 'path';
 
 import each from 'jest-each';
 
+import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 import * as main from '../src/main';
 import * as util from '../src/util';
-import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 
 describe('main tests', () => {
   let inputs = {} as any;
@@ -112,6 +112,11 @@ describe('main tests', () => {
       ${'{"engines": {"node": "17.0.0"}}'}                                                       | ${'17.0.0'}
       ${'{"devEngines": {"runtime": {"name": "node", "version": "22.0.0"}}}'}                    | ${'22.0.0'}
       ${'{"devEngines": {"runtime": [{"name": "bun"}, {"name": "node", "version": "22.0.0"}]}}'} | ${'22.0.0'}
+      ${'[tools]\ngo="latest"\nnode = "24.10"'}                                                  | ${'24.10'}
+      ${'[tools]\nnode = "22.12"'}                                                               | ${'22.12'}
+      ${'[tools]\ngo="latest"\nnode = "24.10"'}                                                  | ${'24.10'}
+      ${'[tools]\nnode = { version = "22.20" }'}                                                 | ${'22.20'}
+      ${'[tools]\nnode = { postinstall = "corepack enable" }'}                                   | ${null}
     `.it('parses "$contents"', ({contents, expected}) => {
       const existsSpy = jest.spyOn(fs, 'existsSync');
       existsSpy.mockImplementation(() => true);
diff --git a/dist/cache-save/index.js b/dist/cache-save/index.js
index d83e4de6..096d332d 100644
--- a/dist/cache-save/index.js
+++ b/dist/cache-save/index.js
@@ -46968,6 +46968,7 @@ exports.printEnvDetailsAndSetOutput = printEnvDetailsAndSetOutput;
 const core = __importStar(__nccwpck_require__(37484));
 const exec = __importStar(__nccwpck_require__(95236));
 const io = __importStar(__nccwpck_require__(94994));
+const smol_toml_1 = __nccwpck_require__(27106);
 const fs_1 = __importDefault(__nccwpck_require__(79896));
 const path_1 = __importDefault(__nccwpck_require__(16928));
 function getNodeVersionFromFile(versionFilePath) {
@@ -47021,6 +47022,23 @@ function getNodeVersionFromFile(versionFilePath) {
     catch {
         core.info('Node version file is not JSON file');
     }
+    // Try parsing the file as a mise `mise.toml` file.
+    try {
+        const manifest = (0, smol_toml_1.parse)(contents);
+        if (manifest?.tools?.node) {
+            const node = manifest.tools.node;
+            if (typeof node === 'object' && node?.version) {
+                return node.version;
+            }
+            if (typeof node === 'string') {
+                return node;
+            }
+            return null;
+        }
+    }
+    catch {
+        core.info('Node version file is not TOML file');
+    }
     const found = contents.match(/^(?:node(js)?\s+)?v?(?<version>[^\s]+)$/m);
     return found?.groups?.version ?? contents.trim();
 }
@@ -88489,6 +88507,721 @@ function randomUUID() {
 
 /***/ }),
 
+/***/ 27106:
+/***/ ((__unused_webpack_module, exports) => {
+
+"use strict";
+/*!
+* Copyright (c) Squirrel Chat et al., All rights reserved.
+* SPDX-License-Identifier: BSD-3-Clause
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice, this
+*    list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+*    this list of conditions and the following disclaimer in the
+*    documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the copyright holder nor the names of its contributors
+*    may be used to endorse or promote products derived from this software without
+*    specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+Object.defineProperties(exports, {
+	__esModule: { value: true },
+	[Symbol.toStringTag]: { value: "Module" }
+});
+//#region src/date.ts
+let DATE_TIME_RE = /^(\d{4}-\d{2}-\d{2})?[T ]?(?:(\d{2}):\d{2}(?::\d{2}(?:\.\d+)?)?)?(Z|[-+]\d{2}:\d{2})?$/i;
+var TomlDate = class TomlDate extends Date {
+	#hasDate = false;
+	#hasTime = false;
+	#offset = null;
+	constructor(date) {
+		let hasDate = true;
+		let hasTime = true;
+		let offset = "Z";
+		if (typeof date === "string") {
+			let match = date.match(DATE_TIME_RE);
+			if (match) {
+				if (!match[1]) {
+					hasDate = false;
+					date = `0000-01-01T${date}`;
+				}
+				hasTime = !!match[2];
+				hasTime && date[10] === " " && (date = date.replace(" ", "T"));
+				if (match[2] && +match[2] > 23) date = "";
+				else {
+					offset = match[3] || null;
+					date = date.toUpperCase();
+					if (!offset && hasTime) date += "Z";
+				}
+			} else date = "";
+		}
+		super(date);
+		if (!isNaN(this.getTime())) {
+			this.#hasDate = hasDate;
+			this.#hasTime = hasTime;
+			this.#offset = offset;
+		}
+	}
+	isDateTime() {
+		return this.#hasDate && this.#hasTime;
+	}
+	isLocal() {
+		return !this.#hasDate || !this.#hasTime || !this.#offset;
+	}
+	isDate() {
+		return this.#hasDate && !this.#hasTime;
+	}
+	isTime() {
+		return this.#hasTime && !this.#hasDate;
+	}
+	isValid() {
+		return this.#hasDate || this.#hasTime;
+	}
+	toISOString() {
+		let iso = super.toISOString();
+		if (this.isDate()) return iso.slice(0, 10);
+		if (this.isTime()) return iso.slice(11, 23);
+		if (this.#offset === null) return iso.slice(0, -1);
+		if (this.#offset === "Z") return iso;
+		let offset = +this.#offset.slice(1, 3) * 60 + +this.#offset.slice(4, 6);
+		offset = this.#offset[0] === "-" ? offset : -offset;
+		return (/* @__PURE__ */ new Date(this.getTime() - offset * 6e4)).toISOString().slice(0, -1) + this.#offset;
+	}
+	static wrapAsOffsetDateTime(jsDate, offset = "Z") {
+		let date = new TomlDate(jsDate);
+		date.#offset = offset;
+		return date;
+	}
+	static wrapAsLocalDateTime(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#offset = null;
+		return date;
+	}
+	static wrapAsLocalDate(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#hasTime = false;
+		date.#offset = null;
+		return date;
+	}
+	static wrapAsLocalTime(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#hasDate = false;
+		date.#offset = null;
+		return date;
+	}
+};
+//#endregion
+//#region src/error.ts
+function getLineColFromPtr(string, ptr) {
+	let lines = string.slice(0, ptr).split(/\r\n|\n|\r/g);
+	return [lines.length, lines.pop().length + 1];
+}
+function makeCodeBlock(string, line, column) {
+	let lines = string.split(/\r\n|\n|\r/g);
+	let codeblock = "";
+	let numberLen = (Math.log10(line + 1) | 0) + 1;
+	for (let i = line - 1; i <= line + 1; i++) {
+		let l = lines[i - 1];
+		if (!l) continue;
+		codeblock += i.toString().padEnd(numberLen, " ");
+		codeblock += ":  ";
+		codeblock += l;
+		codeblock += "\n";
+		if (i === line) {
+			codeblock += " ".repeat(numberLen + column + 2);
+			codeblock += "^\n";
+		}
+	}
+	return codeblock;
+}
+var TomlError = class extends Error {
+	line;
+	column;
+	codeblock;
+	constructor(message, options) {
+		const [line, column] = getLineColFromPtr(options.toml, options.ptr);
+		const codeblock = makeCodeBlock(options.toml, line, column);
+		super(`Invalid TOML document: ${message}\n\n${codeblock}`, options);
+		this.line = line;
+		this.column = column;
+		this.codeblock = codeblock;
+	}
+};
+//#endregion
+//#region src/primitive.ts
+let INT_REGEX = /^((0x[0-9a-fA-F](_?[0-9a-fA-F])*)|(([+-]|0[ob])?\d(_?\d)*))$/;
+let FLOAT_REGEX = /^[+-]?\d(_?\d)*(\.\d(_?\d)*)?([eE][+-]?\d(_?\d)*)?$/;
+let LEADING_ZERO = /^[+-]?0[0-9_]/;
+function parseString(str, ptr) {
+	let c = str[ptr++];
+	let first = c;
+	let isLiteral = c === "'";
+	let isMultiline = c === str[ptr] && c === str[ptr + 1];
+	if (isMultiline) {
+		if (str[ptr += 2] === "\n") ptr++;
+		else if (str[ptr] === "\r" && str[ptr + 1] === "\n") ptr += 2;
+	}
+	let parsed = "";
+	let sliceStart = ptr;
+	let state = 0;
+	for (let i = ptr; i < str.length; i++) {
+		c = str[i];
+		if (isMultiline && (c === "\n" || c === "\r" && str[i + 1] === "\n")) state = state && 3;
+		else if (c < " " && c !== "	" || c === "") throw new TomlError("control characters are not allowed in strings", {
+			toml: str,
+			ptr: i
+		});
+		else if ((!state || state === 3) && c === first && (!isMultiline || str[i + 1] === first && str[i + 2] === first)) {
+			if (isMultiline) {
+				if (str[i + 3] === first) i++;
+				if (str[i + 3] === first) i++;
+			}
+			return [state ? parsed : parsed + str.slice(sliceStart, i), i + (isMultiline ? 3 : 1)];
+		} else if (!state) {
+			if (!isLiteral && c === "\\") {
+				parsed += str.slice(sliceStart, sliceStart = i);
+				state = 1;
+			}
+		} else if (state === 1) if (c === "x" || c === "u" || c === "U") {
+			let value = 0;
+			let len = c === "x" ? 2 : c === "u" ? 4 : 8;
+			for (let j = 0; j < len; j++, i++) {
+				let hex = str.charCodeAt(i + 1);
+				let digit = hex >= 48 && hex <= 57 ? hex - 48 : hex >= 65 && hex <= 70 ? hex - 65 + 10 : hex >= 97 && hex <= 102 ? hex - 97 + 10 : -1;
+				if (digit < 0) throw new TomlError("invalid non-hex character in unicode escape", {
+					toml: str,
+					ptr: i + 1
+				});
+				value = value << 4 | digit;
+			}
+			if (value < 0 || value > 1114111 || value >= 55296 && value <= 57343) throw new TomlError("invalid unicode escape", {
+				toml: str,
+				ptr: i
+			});
+			parsed += String.fromCodePoint(value);
+			sliceStart = i + 1;
+			state = 0;
+		} else if (c === " " || c === "	") state = 2;
+		else {
+			if (c === "b") parsed += "\b";
+			else if (c === "t") parsed += "	";
+			else if (c === "n") parsed += "\n";
+			else if (c === "f") parsed += "\f";
+			else if (c === "r") parsed += "\r";
+			else if (c === "e") parsed += "\x1B";
+			else if (c === "\"") parsed += "\"";
+			else if (c === "\\") parsed += "\\";
+			else throw new TomlError("unrecognized escape sequence", {
+				toml: str,
+				ptr: i
+			});
+			sliceStart = i + 1;
+			state = 0;
+		}
+		else if (c !== " " && c !== "	") {
+			if (state === 2) throw new TomlError("invalid escape: only line-ending whitespace may be escaped", {
+				toml: str,
+				ptr: sliceStart
+			});
+			state = !isLiteral && c === "\\" ? 1 : 0;
+			sliceStart = i;
+		}
+	}
+	throw new TomlError("unfinished string", {
+		toml: str,
+		ptr
+	});
+}
+function parseValue(value, toml, ptr, integersAsBigInt) {
+	if (value === "true") return true;
+	if (value === "false") return false;
+	if (value === "-inf") return -Infinity;
+	if (value === "inf" || value === "+inf") return Infinity;
+	if (value === "nan" || value === "+nan" || value === "-nan") return NaN;
+	if (value === "-0") return integersAsBigInt ? 0n : 0;
+	let isInt = INT_REGEX.test(value);
+	if (isInt || FLOAT_REGEX.test(value)) {
+		if (LEADING_ZERO.test(value)) throw new TomlError("leading zeroes are not allowed", {
+			toml,
+			ptr
+		});
+		value = value.replace(/_/g, "");
+		let numeric = +value;
+		if (isNaN(numeric)) throw new TomlError("invalid number", {
+			toml,
+			ptr
+		});
+		if (isInt) {
+			if ((isInt = !Number.isSafeInteger(numeric)) && !integersAsBigInt) throw new TomlError("integer value cannot be represented losslessly", {
+				toml,
+				ptr
+			});
+			if (isInt || integersAsBigInt === true) numeric = BigInt(value);
+		}
+		return numeric;
+	}
+	const date = new TomlDate(value);
+	if (!date.isValid()) throw new TomlError("invalid value", {
+		toml,
+		ptr
+	});
+	return date;
+}
+//#endregion
+//#region src/util.ts
+function indexOfNewline(str, start = 0, end = str.length) {
+	let idx = str.indexOf("\n", start);
+	if (str[idx - 1] === "\r") idx--;
+	return idx <= end ? idx : -1;
+}
+function skipComment(str, ptr) {
+	for (let i = ptr; i < str.length; i++) {
+		let c = str[i];
+		if (c === "\n") return i;
+		if (c === "\r" && str[i + 1] === "\n") return i + 1;
+		if (c < " " && c !== "	" || c === "") throw new TomlError("control characters are not allowed in comments", {
+			toml: str,
+			ptr
+		});
+	}
+	return str.length;
+}
+function skipVoid(str, ptr, banNewLines, banComments) {
+	let c;
+	while (1) {
+		while ((c = str[ptr]) === " " || c === "	" || !banNewLines && (c === "\n" || c === "\r" && str[ptr + 1] === "\n")) ptr++;
+		if (banComments || c !== "#") break;
+		ptr = skipComment(str, ptr);
+	}
+	return ptr;
+}
+function skipUntil(str, ptr, sep, end, banNewLines = false) {
+	if (!end) {
+		ptr = indexOfNewline(str, ptr);
+		return ptr < 0 ? str.length : ptr;
+	}
+	for (let i = ptr; i < str.length; i++) {
+		let c = str[i];
+		if (c === "#") i = indexOfNewline(str, i);
+		else if (c === sep) return i + 1;
+		else if (c === end || banNewLines && (c === "\n" || c === "\r" && str[i + 1] === "\n")) return i;
+	}
+	throw new TomlError("cannot find end of structure", {
+		toml: str,
+		ptr
+	});
+}
+//#endregion
+//#region src/extract.ts
+function sliceAndTrimEndOf(str, startPtr, endPtr) {
+	let value = str.slice(startPtr, endPtr);
+	let commentIdx = value.indexOf("#");
+	if (commentIdx > -1) {
+		skipComment(str, commentIdx);
+		value = value.slice(0, commentIdx);
+	}
+	return [value.trimEnd(), commentIdx];
+}
+function extractValue(str, ptr, end, depth, integersAsBigInt) {
+	if (depth === 0) throw new TomlError("document contains excessively nested structures. aborting.", {
+		toml: str,
+		ptr
+	});
+	let c = str[ptr];
+	if (c === "[" || c === "{") {
+		let [value, endPtr] = c === "[" ? parseArray(str, ptr, depth, integersAsBigInt) : parseInlineTable(str, ptr, depth, integersAsBigInt);
+		if (end) {
+			endPtr = skipVoid(str, endPtr);
+			if (str[endPtr] === ",") endPtr++;
+			else if (str[endPtr] !== end) throw new TomlError("expected comma or end of structure", {
+				toml: str,
+				ptr: endPtr
+			});
+		}
+		return [value, endPtr];
+	}
+	if (c === "\"" || c === "'") {
+		let [parsed, endPtr] = parseString(str, ptr);
+		if (end) {
+			endPtr = skipVoid(str, endPtr);
+			if (str[endPtr] && str[endPtr] !== "," && str[endPtr] !== end && str[endPtr] !== "\n" && str[endPtr] !== "\r") throw new TomlError("unexpected character encountered", {
+				toml: str,
+				ptr: endPtr
+			});
+			if (str[endPtr] === ",") endPtr++;
+		}
+		return [parsed, endPtr];
+	}
+	let endPtr = skipUntil(str, ptr, ",", end);
+	let slice = sliceAndTrimEndOf(str, ptr, endPtr - (str[endPtr - 1] === "," ? 1 : 0));
+	if (!slice[0]) throw new TomlError("incomplete key-value declaration: no value specified", {
+		toml: str,
+		ptr
+	});
+	if (end && slice[1] > -1) {
+		endPtr = skipVoid(str, ptr + slice[1]);
+		if (str[endPtr] === ",") endPtr++;
+	}
+	return [parseValue(slice[0], str, ptr, integersAsBigInt), endPtr];
+}
+//#endregion
+//#region src/struct.ts
+let KEY_PART_RE = /^[a-zA-Z0-9-_]+[ \t]*$/;
+function parseKey(str, ptr, end = "=") {
+	let dot = ptr - 1;
+	let parsed = [];
+	let endPtr = str.indexOf(end, ptr);
+	if (endPtr < 0) throw new TomlError("incomplete key-value: cannot find end of key", {
+		toml: str,
+		ptr
+	});
+	do {
+		let c = str[ptr = ++dot];
+		if (c !== " " && c !== "	") if (c === "\"" || c === "'") {
+			if (c === str[ptr + 1] && c === str[ptr + 2]) throw new TomlError("multiline strings are not allowed in keys", {
+				toml: str,
+				ptr
+			});
+			let [part, eos] = parseString(str, ptr);
+			dot = str.indexOf(".", eos);
+			let strEnd = str.slice(eos, dot < 0 || dot > endPtr ? endPtr : dot);
+			let newLine = indexOfNewline(strEnd);
+			if (newLine > -1) throw new TomlError("newlines are not allowed in keys", {
+				toml: str,
+				ptr: ptr + dot + newLine
+			});
+			if (strEnd.trimStart()) throw new TomlError("found extra tokens after the string part", {
+				toml: str,
+				ptr: eos
+			});
+			if (endPtr < eos) {
+				endPtr = str.indexOf(end, eos);
+				if (endPtr < 0) throw new TomlError("incomplete key-value: cannot find end of key", {
+					toml: str,
+					ptr
+				});
+			}
+			parsed.push(part);
+		} else {
+			dot = str.indexOf(".", ptr);
+			let part = str.slice(ptr, dot < 0 || dot > endPtr ? endPtr : dot);
+			if (!KEY_PART_RE.test(part)) throw new TomlError("only letter, numbers, dashes and underscores are allowed in keys", {
+				toml: str,
+				ptr
+			});
+			parsed.push(part.trimEnd());
+		}
+	} while (dot + 1 && dot < endPtr);
+	return [parsed, skipVoid(str, endPtr + 1, true, true)];
+}
+function parseInlineTable(str, ptr, depth, integersAsBigInt) {
+	let res = {};
+	let seen = /* @__PURE__ */ new Set();
+	let c;
+	ptr++;
+	while ((c = str[ptr++]) !== "}" && c) if (c === ",") throw new TomlError("expected value, found comma", {
+		toml: str,
+		ptr: ptr - 1
+	});
+	else if (c === "#") ptr = skipComment(str, ptr);
+	else if (c !== " " && c !== "	" && c !== "\n" && c !== "\r") {
+		let k;
+		let t = res;
+		let hasOwn = false;
+		let [key, keyEndPtr] = parseKey(str, ptr - 1);
+		for (let i = 0; i < key.length; i++) {
+			if (i) t = hasOwn ? t[k] : t[k] = {};
+			k = key[i];
+			if ((hasOwn = Object.hasOwn(t, k)) && (typeof t[k] !== "object" || seen.has(t[k]))) throw new TomlError("trying to redefine an already defined value", {
+				toml: str,
+				ptr
+			});
+			if (!hasOwn && k === "__proto__") Object.defineProperty(t, k, {
+				enumerable: true,
+				configurable: true,
+				writable: true
+			});
+		}
+		if (hasOwn) throw new TomlError("trying to redefine an already defined value", {
+			toml: str,
+			ptr
+		});
+		let [value, valueEndPtr] = extractValue(str, keyEndPtr, "}", depth - 1, integersAsBigInt);
+		seen.add(value);
+		t[k] = value;
+		ptr = valueEndPtr;
+	}
+	if (!c) throw new TomlError("unfinished table encountered", {
+		toml: str,
+		ptr
+	});
+	return [res, ptr];
+}
+function parseArray(str, ptr, depth, integersAsBigInt) {
+	let res = [];
+	let c;
+	ptr++;
+	while ((c = str[ptr++]) !== "]" && c) if (c === ",") throw new TomlError("expected value, found comma", {
+		toml: str,
+		ptr: ptr - 1
+	});
+	else if (c === "#") ptr = skipComment(str, ptr);
+	else if (c !== " " && c !== "	" && c !== "\n" && c !== "\r") {
+		let e = extractValue(str, ptr - 1, "]", depth - 1, integersAsBigInt);
+		res.push(e[0]);
+		ptr = e[1];
+	}
+	if (!c) throw new TomlError("unfinished array encountered", {
+		toml: str,
+		ptr
+	});
+	return [res, ptr];
+}
+//#endregion
+//#region src/parse.ts
+function peekTable(key, table, meta, type) {
+	let t = table;
+	let m = meta;
+	let k;
+	let hasOwn = false;
+	let state;
+	for (let i = 0; i < key.length; i++) {
+		if (i) {
+			t = hasOwn ? t[k] : t[k] = {};
+			m = (state = m[k]).c;
+			if (type === 0 && (state.t === 1 || state.t === 2)) return null;
+			if (state.t === 2) {
+				let l = t.length - 1;
+				t = t[l];
+				m = m[l].c;
+			}
+		}
+		k = key[i];
+		if ((hasOwn = Object.hasOwn(t, k)) && m[k]?.t === 0 && m[k]?.d) return null;
+		if (!hasOwn) {
+			if (k === "__proto__") {
+				Object.defineProperty(t, k, {
+					enumerable: true,
+					configurable: true,
+					writable: true
+				});
+				Object.defineProperty(m, k, {
+					enumerable: true,
+					configurable: true,
+					writable: true
+				});
+			}
+			m[k] = {
+				t: i < key.length - 1 && type === 2 ? 3 : type,
+				d: false,
+				i: 0,
+				c: {}
+			};
+		}
+	}
+	state = m[k];
+	if (state.t !== type && !(type === 1 && state.t === 3)) return null;
+	if (type === 2) {
+		if (!state.d) {
+			state.d = true;
+			t[k] = [];
+		}
+		t[k].push(t = {});
+		state.c[state.i++] = state = {
+			t: 1,
+			d: false,
+			i: 0,
+			c: {}
+		};
+	}
+	if (state.d) return null;
+	state.d = true;
+	if (type === 1) t = hasOwn ? t[k] : t[k] = {};
+	else if (type === 0 && hasOwn) return null;
+	return [
+		k,
+		t,
+		state.c
+	];
+}
+function parse(toml, { maxDepth = 1e3, integersAsBigInt } = {}) {
+	let res = {};
+	let meta = {};
+	let tbl = res;
+	let m = meta;
+	for (let ptr = skipVoid(toml, 0); ptr < toml.length;) {
+		if (toml[ptr] === "[") {
+			let isTableArray = toml[++ptr] === "[";
+			let k = parseKey(toml, ptr += +isTableArray, "]");
+			if (isTableArray) {
+				if (toml[k[1] - 1] !== "]") throw new TomlError("expected end of table declaration", {
+					toml,
+					ptr: k[1] - 1
+				});
+				k[1]++;
+			}
+			let p = peekTable(k[0], res, meta, isTableArray ? 2 : 1);
+			if (!p) throw new TomlError("trying to redefine an already defined table or value", {
+				toml,
+				ptr
+			});
+			m = p[2];
+			tbl = p[1];
+			ptr = k[1];
+		} else {
+			let k = parseKey(toml, ptr);
+			let p = peekTable(k[0], tbl, m, 0);
+			if (!p) throw new TomlError("trying to redefine an already defined table or value", {
+				toml,
+				ptr
+			});
+			let v = extractValue(toml, k[1], void 0, maxDepth, integersAsBigInt);
+			p[1][p[0]] = v[0];
+			ptr = v[1];
+		}
+		ptr = skipVoid(toml, ptr, true);
+		if (toml[ptr] && toml[ptr] !== "\n" && toml[ptr] !== "\r") throw new TomlError("each key-value declaration must be followed by an end-of-line", {
+			toml,
+			ptr
+		});
+		ptr = skipVoid(toml, ptr);
+	}
+	return res;
+}
+//#endregion
+//#region src/stringify.ts
+let BARE_KEY = /^[a-z0-9-_]+$/i;
+function extendedTypeOf(obj) {
+	let type = typeof obj;
+	if (type === "object") {
+		if (Array.isArray(obj)) return "array";
+		if (obj instanceof Date) return "date";
+	}
+	return type;
+}
+function isArrayOfTables(obj) {
+	for (let i = 0; i < obj.length; i++) if (extendedTypeOf(obj[i]) !== "object") return false;
+	return obj.length != 0;
+}
+function formatString(s) {
+	return JSON.stringify(s).replace(/\x7f/g, "\\u007f");
+}
+function stringifyValue(val, type, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	if (type === "number") {
+		if (isNaN(val)) return "nan";
+		if (val === Infinity) return "inf";
+		if (val === -Infinity) return "-inf";
+		if (Number.isInteger(val) && (numberAsFloat || !Number.isSafeInteger(val))) return val.toFixed(1);
+		return val.toString();
+	}
+	if (type === "bigint" || type === "boolean") return val.toString();
+	if (type === "string") return formatString(val);
+	if (type === "date") {
+		if (isNaN(val.getTime())) throw new TypeError("cannot serialize invalid date");
+		return val.toISOString();
+	}
+	if (type === "object") return stringifyInlineTable(val, depth, numberAsFloat);
+	if (type === "array") return stringifyArray(val, depth, numberAsFloat);
+}
+function stringifyInlineTable(obj, depth, numberAsFloat) {
+	let keys = Object.keys(obj);
+	if (keys.length === 0) return "{}";
+	let res = "{ ";
+	for (let i = 0; i < keys.length; i++) {
+		let k = keys[i];
+		if (i) res += ", ";
+		res += BARE_KEY.test(k) ? k : formatString(k);
+		res += " = ";
+		res += stringifyValue(obj[k], extendedTypeOf(obj[k]), depth - 1, numberAsFloat);
+	}
+	return res + " }";
+}
+function stringifyArray(array, depth, numberAsFloat) {
+	if (array.length === 0) return "[]";
+	let res = "[ ";
+	for (let i = 0; i < array.length; i++) {
+		if (i) res += ", ";
+		if (array[i] === null || array[i] === void 0) throw new TypeError("arrays cannot contain null or undefined values");
+		res += stringifyValue(array[i], extendedTypeOf(array[i]), depth - 1, numberAsFloat);
+	}
+	return res + " ]";
+}
+function stringifyArrayTable(array, key, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	let res = "";
+	for (let i = 0; i < array.length; i++) {
+		res += `${res && "\n"}[[${key}]]\n`;
+		res += stringifyTable(0, array[i], key, depth, numberAsFloat);
+	}
+	return res;
+}
+function stringifyTable(tableKey, obj, prefix, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	let preamble = "";
+	let tables = "";
+	let keys = Object.keys(obj);
+	for (let i = 0; i < keys.length; i++) {
+		let k = keys[i];
+		if (obj[k] !== null && obj[k] !== void 0) {
+			let type = extendedTypeOf(obj[k]);
+			if (type === "symbol" || type === "function") throw new TypeError(`cannot serialize values of type '${type}'`);
+			let key = BARE_KEY.test(k) ? k : formatString(k);
+			if (type === "array" && isArrayOfTables(obj[k])) tables += (tables && "\n") + stringifyArrayTable(obj[k], prefix ? `${prefix}.${key}` : key, depth - 1, numberAsFloat);
+			else if (type === "object") {
+				let tblKey = prefix ? `${prefix}.${key}` : key;
+				tables += (tables && "\n") + stringifyTable(tblKey, obj[k], tblKey, depth - 1, numberAsFloat);
+			} else {
+				preamble += key;
+				preamble += " = ";
+				preamble += stringifyValue(obj[k], type, depth, numberAsFloat);
+				preamble += "\n";
+			}
+		}
+	}
+	if (tableKey && (preamble || !tables)) preamble = preamble ? `[${tableKey}]\n${preamble}` : `[${tableKey}]`;
+	return preamble && tables ? `${preamble}\n${tables}` : preamble || tables;
+}
+function stringify(obj, { maxDepth = 1e3, numbersAsFloat = false } = {}) {
+	if (extendedTypeOf(obj) !== "object") throw new TypeError("stringify can only be called with an object");
+	let str = stringifyTable(0, obj, "", maxDepth, numbersAsFloat);
+	if (str[str.length - 1] !== "\n") return str + "\n";
+	return str;
+}
+//#endregion
+//#region src/index.ts
+var src_default = {
+	parse,
+	stringify,
+	TomlDate,
+	TomlError
+};
+//#endregion
+exports.TomlDate = TomlDate;
+exports.TomlError = TomlError;
+exports["default"] = src_default;
+exports.parse = parse;
+exports.stringify = stringify;
+
+//# sourceMappingURL=index.cjs.map
+
+/***/ }),
+
 /***/ 64012:
 /***/ ((module) => {
 
diff --git a/dist/setup/index.js b/dist/setup/index.js
index bb0a1e93..ca4973ad 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -58297,6 +58297,7 @@ exports.printEnvDetailsAndSetOutput = printEnvDetailsAndSetOutput;
 const core = __importStar(__nccwpck_require__(37484));
 const exec = __importStar(__nccwpck_require__(95236));
 const io = __importStar(__nccwpck_require__(94994));
+const smol_toml_1 = __nccwpck_require__(27106);
 const fs_1 = __importDefault(__nccwpck_require__(79896));
 const path_1 = __importDefault(__nccwpck_require__(16928));
 function getNodeVersionFromFile(versionFilePath) {
@@ -58350,6 +58351,23 @@ function getNodeVersionFromFile(versionFilePath) {
     catch {
         core.info('Node version file is not JSON file');
     }
+    // Try parsing the file as a mise `mise.toml` file.
+    try {
+        const manifest = (0, smol_toml_1.parse)(contents);
+        if (manifest?.tools?.node) {
+            const node = manifest.tools.node;
+            if (typeof node === 'object' && node?.version) {
+                return node.version;
+            }
+            if (typeof node === 'string') {
+                return node;
+            }
+            return null;
+        }
+    }
+    catch {
+        core.info('Node version file is not TOML file');
+    }
     const found = contents.match(/^(?:node(js)?\s+)?v?(?<version>[^\s]+)$/m);
     return found?.groups?.version ?? contents.trim();
 }
@@ -99818,6 +99836,721 @@ function randomUUID() {
 
 /***/ }),
 
+/***/ 27106:
+/***/ ((__unused_webpack_module, exports) => {
+
+"use strict";
+/*!
+* Copyright (c) Squirrel Chat et al., All rights reserved.
+* SPDX-License-Identifier: BSD-3-Clause
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice, this
+*    list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+*    this list of conditions and the following disclaimer in the
+*    documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the copyright holder nor the names of its contributors
+*    may be used to endorse or promote products derived from this software without
+*    specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+Object.defineProperties(exports, {
+	__esModule: { value: true },
+	[Symbol.toStringTag]: { value: "Module" }
+});
+//#region src/date.ts
+let DATE_TIME_RE = /^(\d{4}-\d{2}-\d{2})?[T ]?(?:(\d{2}):\d{2}(?::\d{2}(?:\.\d+)?)?)?(Z|[-+]\d{2}:\d{2})?$/i;
+var TomlDate = class TomlDate extends Date {
+	#hasDate = false;
+	#hasTime = false;
+	#offset = null;
+	constructor(date) {
+		let hasDate = true;
+		let hasTime = true;
+		let offset = "Z";
+		if (typeof date === "string") {
+			let match = date.match(DATE_TIME_RE);
+			if (match) {
+				if (!match[1]) {
+					hasDate = false;
+					date = `0000-01-01T${date}`;
+				}
+				hasTime = !!match[2];
+				hasTime && date[10] === " " && (date = date.replace(" ", "T"));
+				if (match[2] && +match[2] > 23) date = "";
+				else {
+					offset = match[3] || null;
+					date = date.toUpperCase();
+					if (!offset && hasTime) date += "Z";
+				}
+			} else date = "";
+		}
+		super(date);
+		if (!isNaN(this.getTime())) {
+			this.#hasDate = hasDate;
+			this.#hasTime = hasTime;
+			this.#offset = offset;
+		}
+	}
+	isDateTime() {
+		return this.#hasDate && this.#hasTime;
+	}
+	isLocal() {
+		return !this.#hasDate || !this.#hasTime || !this.#offset;
+	}
+	isDate() {
+		return this.#hasDate && !this.#hasTime;
+	}
+	isTime() {
+		return this.#hasTime && !this.#hasDate;
+	}
+	isValid() {
+		return this.#hasDate || this.#hasTime;
+	}
+	toISOString() {
+		let iso = super.toISOString();
+		if (this.isDate()) return iso.slice(0, 10);
+		if (this.isTime()) return iso.slice(11, 23);
+		if (this.#offset === null) return iso.slice(0, -1);
+		if (this.#offset === "Z") return iso;
+		let offset = +this.#offset.slice(1, 3) * 60 + +this.#offset.slice(4, 6);
+		offset = this.#offset[0] === "-" ? offset : -offset;
+		return (/* @__PURE__ */ new Date(this.getTime() - offset * 6e4)).toISOString().slice(0, -1) + this.#offset;
+	}
+	static wrapAsOffsetDateTime(jsDate, offset = "Z") {
+		let date = new TomlDate(jsDate);
+		date.#offset = offset;
+		return date;
+	}
+	static wrapAsLocalDateTime(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#offset = null;
+		return date;
+	}
+	static wrapAsLocalDate(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#hasTime = false;
+		date.#offset = null;
+		return date;
+	}
+	static wrapAsLocalTime(jsDate) {
+		let date = new TomlDate(jsDate);
+		date.#hasDate = false;
+		date.#offset = null;
+		return date;
+	}
+};
+//#endregion
+//#region src/error.ts
+function getLineColFromPtr(string, ptr) {
+	let lines = string.slice(0, ptr).split(/\r\n|\n|\r/g);
+	return [lines.length, lines.pop().length + 1];
+}
+function makeCodeBlock(string, line, column) {
+	let lines = string.split(/\r\n|\n|\r/g);
+	let codeblock = "";
+	let numberLen = (Math.log10(line + 1) | 0) + 1;
+	for (let i = line - 1; i <= line + 1; i++) {
+		let l = lines[i - 1];
+		if (!l) continue;
+		codeblock += i.toString().padEnd(numberLen, " ");
+		codeblock += ":  ";
+		codeblock += l;
+		codeblock += "\n";
+		if (i === line) {
+			codeblock += " ".repeat(numberLen + column + 2);
+			codeblock += "^\n";
+		}
+	}
+	return codeblock;
+}
+var TomlError = class extends Error {
+	line;
+	column;
+	codeblock;
+	constructor(message, options) {
+		const [line, column] = getLineColFromPtr(options.toml, options.ptr);
+		const codeblock = makeCodeBlock(options.toml, line, column);
+		super(`Invalid TOML document: ${message}\n\n${codeblock}`, options);
+		this.line = line;
+		this.column = column;
+		this.codeblock = codeblock;
+	}
+};
+//#endregion
+//#region src/primitive.ts
+let INT_REGEX = /^((0x[0-9a-fA-F](_?[0-9a-fA-F])*)|(([+-]|0[ob])?\d(_?\d)*))$/;
+let FLOAT_REGEX = /^[+-]?\d(_?\d)*(\.\d(_?\d)*)?([eE][+-]?\d(_?\d)*)?$/;
+let LEADING_ZERO = /^[+-]?0[0-9_]/;
+function parseString(str, ptr) {
+	let c = str[ptr++];
+	let first = c;
+	let isLiteral = c === "'";
+	let isMultiline = c === str[ptr] && c === str[ptr + 1];
+	if (isMultiline) {
+		if (str[ptr += 2] === "\n") ptr++;
+		else if (str[ptr] === "\r" && str[ptr + 1] === "\n") ptr += 2;
+	}
+	let parsed = "";
+	let sliceStart = ptr;
+	let state = 0;
+	for (let i = ptr; i < str.length; i++) {
+		c = str[i];
+		if (isMultiline && (c === "\n" || c === "\r" && str[i + 1] === "\n")) state = state && 3;
+		else if (c < " " && c !== "	" || c === "") throw new TomlError("control characters are not allowed in strings", {
+			toml: str,
+			ptr: i
+		});
+		else if ((!state || state === 3) && c === first && (!isMultiline || str[i + 1] === first && str[i + 2] === first)) {
+			if (isMultiline) {
+				if (str[i + 3] === first) i++;
+				if (str[i + 3] === first) i++;
+			}
+			return [state ? parsed : parsed + str.slice(sliceStart, i), i + (isMultiline ? 3 : 1)];
+		} else if (!state) {
+			if (!isLiteral && c === "\\") {
+				parsed += str.slice(sliceStart, sliceStart = i);
+				state = 1;
+			}
+		} else if (state === 1) if (c === "x" || c === "u" || c === "U") {
+			let value = 0;
+			let len = c === "x" ? 2 : c === "u" ? 4 : 8;
+			for (let j = 0; j < len; j++, i++) {
+				let hex = str.charCodeAt(i + 1);
+				let digit = hex >= 48 && hex <= 57 ? hex - 48 : hex >= 65 && hex <= 70 ? hex - 65 + 10 : hex >= 97 && hex <= 102 ? hex - 97 + 10 : -1;
+				if (digit < 0) throw new TomlError("invalid non-hex character in unicode escape", {
+					toml: str,
+					ptr: i + 1
+				});
+				value = value << 4 | digit;
+			}
+			if (value < 0 || value > 1114111 || value >= 55296 && value <= 57343) throw new TomlError("invalid unicode escape", {
+				toml: str,
+				ptr: i
+			});
+			parsed += String.fromCodePoint(value);
+			sliceStart = i + 1;
+			state = 0;
+		} else if (c === " " || c === "	") state = 2;
+		else {
+			if (c === "b") parsed += "\b";
+			else if (c === "t") parsed += "	";
+			else if (c === "n") parsed += "\n";
+			else if (c === "f") parsed += "\f";
+			else if (c === "r") parsed += "\r";
+			else if (c === "e") parsed += "\x1B";
+			else if (c === "\"") parsed += "\"";
+			else if (c === "\\") parsed += "\\";
+			else throw new TomlError("unrecognized escape sequence", {
+				toml: str,
+				ptr: i
+			});
+			sliceStart = i + 1;
+			state = 0;
+		}
+		else if (c !== " " && c !== "	") {
+			if (state === 2) throw new TomlError("invalid escape: only line-ending whitespace may be escaped", {
+				toml: str,
+				ptr: sliceStart
+			});
+			state = !isLiteral && c === "\\" ? 1 : 0;
+			sliceStart = i;
+		}
+	}
+	throw new TomlError("unfinished string", {
+		toml: str,
+		ptr
+	});
+}
+function parseValue(value, toml, ptr, integersAsBigInt) {
+	if (value === "true") return true;
+	if (value === "false") return false;
+	if (value === "-inf") return -Infinity;
+	if (value === "inf" || value === "+inf") return Infinity;
+	if (value === "nan" || value === "+nan" || value === "-nan") return NaN;
+	if (value === "-0") return integersAsBigInt ? 0n : 0;
+	let isInt = INT_REGEX.test(value);
+	if (isInt || FLOAT_REGEX.test(value)) {
+		if (LEADING_ZERO.test(value)) throw new TomlError("leading zeroes are not allowed", {
+			toml,
+			ptr
+		});
+		value = value.replace(/_/g, "");
+		let numeric = +value;
+		if (isNaN(numeric)) throw new TomlError("invalid number", {
+			toml,
+			ptr
+		});
+		if (isInt) {
+			if ((isInt = !Number.isSafeInteger(numeric)) && !integersAsBigInt) throw new TomlError("integer value cannot be represented losslessly", {
+				toml,
+				ptr
+			});
+			if (isInt || integersAsBigInt === true) numeric = BigInt(value);
+		}
+		return numeric;
+	}
+	const date = new TomlDate(value);
+	if (!date.isValid()) throw new TomlError("invalid value", {
+		toml,
+		ptr
+	});
+	return date;
+}
+//#endregion
+//#region src/util.ts
+function indexOfNewline(str, start = 0, end = str.length) {
+	let idx = str.indexOf("\n", start);
+	if (str[idx - 1] === "\r") idx--;
+	return idx <= end ? idx : -1;
+}
+function skipComment(str, ptr) {
+	for (let i = ptr; i < str.length; i++) {
+		let c = str[i];
+		if (c === "\n") return i;
+		if (c === "\r" && str[i + 1] === "\n") return i + 1;
+		if (c < " " && c !== "	" || c === "") throw new TomlError("control characters are not allowed in comments", {
+			toml: str,
+			ptr
+		});
+	}
+	return str.length;
+}
+function skipVoid(str, ptr, banNewLines, banComments) {
+	let c;
+	while (1) {
+		while ((c = str[ptr]) === " " || c === "	" || !banNewLines && (c === "\n" || c === "\r" && str[ptr + 1] === "\n")) ptr++;
+		if (banComments || c !== "#") break;
+		ptr = skipComment(str, ptr);
+	}
+	return ptr;
+}
+function skipUntil(str, ptr, sep, end, banNewLines = false) {
+	if (!end) {
+		ptr = indexOfNewline(str, ptr);
+		return ptr < 0 ? str.length : ptr;
+	}
+	for (let i = ptr; i < str.length; i++) {
+		let c = str[i];
+		if (c === "#") i = indexOfNewline(str, i);
+		else if (c === sep) return i + 1;
+		else if (c === end || banNewLines && (c === "\n" || c === "\r" && str[i + 1] === "\n")) return i;
+	}
+	throw new TomlError("cannot find end of structure", {
+		toml: str,
+		ptr
+	});
+}
+//#endregion
+//#region src/extract.ts
+function sliceAndTrimEndOf(str, startPtr, endPtr) {
+	let value = str.slice(startPtr, endPtr);
+	let commentIdx = value.indexOf("#");
+	if (commentIdx > -1) {
+		skipComment(str, commentIdx);
+		value = value.slice(0, commentIdx);
+	}
+	return [value.trimEnd(), commentIdx];
+}
+function extractValue(str, ptr, end, depth, integersAsBigInt) {
+	if (depth === 0) throw new TomlError("document contains excessively nested structures. aborting.", {
+		toml: str,
+		ptr
+	});
+	let c = str[ptr];
+	if (c === "[" || c === "{") {
+		let [value, endPtr] = c === "[" ? parseArray(str, ptr, depth, integersAsBigInt) : parseInlineTable(str, ptr, depth, integersAsBigInt);
+		if (end) {
+			endPtr = skipVoid(str, endPtr);
+			if (str[endPtr] === ",") endPtr++;
+			else if (str[endPtr] !== end) throw new TomlError("expected comma or end of structure", {
+				toml: str,
+				ptr: endPtr
+			});
+		}
+		return [value, endPtr];
+	}
+	if (c === "\"" || c === "'") {
+		let [parsed, endPtr] = parseString(str, ptr);
+		if (end) {
+			endPtr = skipVoid(str, endPtr);
+			if (str[endPtr] && str[endPtr] !== "," && str[endPtr] !== end && str[endPtr] !== "\n" && str[endPtr] !== "\r") throw new TomlError("unexpected character encountered", {
+				toml: str,
+				ptr: endPtr
+			});
+			if (str[endPtr] === ",") endPtr++;
+		}
+		return [parsed, endPtr];
+	}
+	let endPtr = skipUntil(str, ptr, ",", end);
+	let slice = sliceAndTrimEndOf(str, ptr, endPtr - (str[endPtr - 1] === "," ? 1 : 0));
+	if (!slice[0]) throw new TomlError("incomplete key-value declaration: no value specified", {
+		toml: str,
+		ptr
+	});
+	if (end && slice[1] > -1) {
+		endPtr = skipVoid(str, ptr + slice[1]);
+		if (str[endPtr] === ",") endPtr++;
+	}
+	return [parseValue(slice[0], str, ptr, integersAsBigInt), endPtr];
+}
+//#endregion
+//#region src/struct.ts
+let KEY_PART_RE = /^[a-zA-Z0-9-_]+[ \t]*$/;
+function parseKey(str, ptr, end = "=") {
+	let dot = ptr - 1;
+	let parsed = [];
+	let endPtr = str.indexOf(end, ptr);
+	if (endPtr < 0) throw new TomlError("incomplete key-value: cannot find end of key", {
+		toml: str,
+		ptr
+	});
+	do {
+		let c = str[ptr = ++dot];
+		if (c !== " " && c !== "	") if (c === "\"" || c === "'") {
+			if (c === str[ptr + 1] && c === str[ptr + 2]) throw new TomlError("multiline strings are not allowed in keys", {
+				toml: str,
+				ptr
+			});
+			let [part, eos] = parseString(str, ptr);
+			dot = str.indexOf(".", eos);
+			let strEnd = str.slice(eos, dot < 0 || dot > endPtr ? endPtr : dot);
+			let newLine = indexOfNewline(strEnd);
+			if (newLine > -1) throw new TomlError("newlines are not allowed in keys", {
+				toml: str,
+				ptr: ptr + dot + newLine
+			});
+			if (strEnd.trimStart()) throw new TomlError("found extra tokens after the string part", {
+				toml: str,
+				ptr: eos
+			});
+			if (endPtr < eos) {
+				endPtr = str.indexOf(end, eos);
+				if (endPtr < 0) throw new TomlError("incomplete key-value: cannot find end of key", {
+					toml: str,
+					ptr
+				});
+			}
+			parsed.push(part);
+		} else {
+			dot = str.indexOf(".", ptr);
+			let part = str.slice(ptr, dot < 0 || dot > endPtr ? endPtr : dot);
+			if (!KEY_PART_RE.test(part)) throw new TomlError("only letter, numbers, dashes and underscores are allowed in keys", {
+				toml: str,
+				ptr
+			});
+			parsed.push(part.trimEnd());
+		}
+	} while (dot + 1 && dot < endPtr);
+	return [parsed, skipVoid(str, endPtr + 1, true, true)];
+}
+function parseInlineTable(str, ptr, depth, integersAsBigInt) {
+	let res = {};
+	let seen = /* @__PURE__ */ new Set();
+	let c;
+	ptr++;
+	while ((c = str[ptr++]) !== "}" && c) if (c === ",") throw new TomlError("expected value, found comma", {
+		toml: str,
+		ptr: ptr - 1
+	});
+	else if (c === "#") ptr = skipComment(str, ptr);
+	else if (c !== " " && c !== "	" && c !== "\n" && c !== "\r") {
+		let k;
+		let t = res;
+		let hasOwn = false;
+		let [key, keyEndPtr] = parseKey(str, ptr - 1);
+		for (let i = 0; i < key.length; i++) {
+			if (i) t = hasOwn ? t[k] : t[k] = {};
+			k = key[i];
+			if ((hasOwn = Object.hasOwn(t, k)) && (typeof t[k] !== "object" || seen.has(t[k]))) throw new TomlError("trying to redefine an already defined value", {
+				toml: str,
+				ptr
+			});
+			if (!hasOwn && k === "__proto__") Object.defineProperty(t, k, {
+				enumerable: true,
+				configurable: true,
+				writable: true
+			});
+		}
+		if (hasOwn) throw new TomlError("trying to redefine an already defined value", {
+			toml: str,
+			ptr
+		});
+		let [value, valueEndPtr] = extractValue(str, keyEndPtr, "}", depth - 1, integersAsBigInt);
+		seen.add(value);
+		t[k] = value;
+		ptr = valueEndPtr;
+	}
+	if (!c) throw new TomlError("unfinished table encountered", {
+		toml: str,
+		ptr
+	});
+	return [res, ptr];
+}
+function parseArray(str, ptr, depth, integersAsBigInt) {
+	let res = [];
+	let c;
+	ptr++;
+	while ((c = str[ptr++]) !== "]" && c) if (c === ",") throw new TomlError("expected value, found comma", {
+		toml: str,
+		ptr: ptr - 1
+	});
+	else if (c === "#") ptr = skipComment(str, ptr);
+	else if (c !== " " && c !== "	" && c !== "\n" && c !== "\r") {
+		let e = extractValue(str, ptr - 1, "]", depth - 1, integersAsBigInt);
+		res.push(e[0]);
+		ptr = e[1];
+	}
+	if (!c) throw new TomlError("unfinished array encountered", {
+		toml: str,
+		ptr
+	});
+	return [res, ptr];
+}
+//#endregion
+//#region src/parse.ts
+function peekTable(key, table, meta, type) {
+	let t = table;
+	let m = meta;
+	let k;
+	let hasOwn = false;
+	let state;
+	for (let i = 0; i < key.length; i++) {
+		if (i) {
+			t = hasOwn ? t[k] : t[k] = {};
+			m = (state = m[k]).c;
+			if (type === 0 && (state.t === 1 || state.t === 2)) return null;
+			if (state.t === 2) {
+				let l = t.length - 1;
+				t = t[l];
+				m = m[l].c;
+			}
+		}
+		k = key[i];
+		if ((hasOwn = Object.hasOwn(t, k)) && m[k]?.t === 0 && m[k]?.d) return null;
+		if (!hasOwn) {
+			if (k === "__proto__") {
+				Object.defineProperty(t, k, {
+					enumerable: true,
+					configurable: true,
+					writable: true
+				});
+				Object.defineProperty(m, k, {
+					enumerable: true,
+					configurable: true,
+					writable: true
+				});
+			}
+			m[k] = {
+				t: i < key.length - 1 && type === 2 ? 3 : type,
+				d: false,
+				i: 0,
+				c: {}
+			};
+		}
+	}
+	state = m[k];
+	if (state.t !== type && !(type === 1 && state.t === 3)) return null;
+	if (type === 2) {
+		if (!state.d) {
+			state.d = true;
+			t[k] = [];
+		}
+		t[k].push(t = {});
+		state.c[state.i++] = state = {
+			t: 1,
+			d: false,
+			i: 0,
+			c: {}
+		};
+	}
+	if (state.d) return null;
+	state.d = true;
+	if (type === 1) t = hasOwn ? t[k] : t[k] = {};
+	else if (type === 0 && hasOwn) return null;
+	return [
+		k,
+		t,
+		state.c
+	];
+}
+function parse(toml, { maxDepth = 1e3, integersAsBigInt } = {}) {
+	let res = {};
+	let meta = {};
+	let tbl = res;
+	let m = meta;
+	for (let ptr = skipVoid(toml, 0); ptr < toml.length;) {
+		if (toml[ptr] === "[") {
+			let isTableArray = toml[++ptr] === "[";
+			let k = parseKey(toml, ptr += +isTableArray, "]");
+			if (isTableArray) {
+				if (toml[k[1] - 1] !== "]") throw new TomlError("expected end of table declaration", {
+					toml,
+					ptr: k[1] - 1
+				});
+				k[1]++;
+			}
+			let p = peekTable(k[0], res, meta, isTableArray ? 2 : 1);
+			if (!p) throw new TomlError("trying to redefine an already defined table or value", {
+				toml,
+				ptr
+			});
+			m = p[2];
+			tbl = p[1];
+			ptr = k[1];
+		} else {
+			let k = parseKey(toml, ptr);
+			let p = peekTable(k[0], tbl, m, 0);
+			if (!p) throw new TomlError("trying to redefine an already defined table or value", {
+				toml,
+				ptr
+			});
+			let v = extractValue(toml, k[1], void 0, maxDepth, integersAsBigInt);
+			p[1][p[0]] = v[0];
+			ptr = v[1];
+		}
+		ptr = skipVoid(toml, ptr, true);
+		if (toml[ptr] && toml[ptr] !== "\n" && toml[ptr] !== "\r") throw new TomlError("each key-value declaration must be followed by an end-of-line", {
+			toml,
+			ptr
+		});
+		ptr = skipVoid(toml, ptr);
+	}
+	return res;
+}
+//#endregion
+//#region src/stringify.ts
+let BARE_KEY = /^[a-z0-9-_]+$/i;
+function extendedTypeOf(obj) {
+	let type = typeof obj;
+	if (type === "object") {
+		if (Array.isArray(obj)) return "array";
+		if (obj instanceof Date) return "date";
+	}
+	return type;
+}
+function isArrayOfTables(obj) {
+	for (let i = 0; i < obj.length; i++) if (extendedTypeOf(obj[i]) !== "object") return false;
+	return obj.length != 0;
+}
+function formatString(s) {
+	return JSON.stringify(s).replace(/\x7f/g, "\\u007f");
+}
+function stringifyValue(val, type, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	if (type === "number") {
+		if (isNaN(val)) return "nan";
+		if (val === Infinity) return "inf";
+		if (val === -Infinity) return "-inf";
+		if (Number.isInteger(val) && (numberAsFloat || !Number.isSafeInteger(val))) return val.toFixed(1);
+		return val.toString();
+	}
+	if (type === "bigint" || type === "boolean") return val.toString();
+	if (type === "string") return formatString(val);
+	if (type === "date") {
+		if (isNaN(val.getTime())) throw new TypeError("cannot serialize invalid date");
+		return val.toISOString();
+	}
+	if (type === "object") return stringifyInlineTable(val, depth, numberAsFloat);
+	if (type === "array") return stringifyArray(val, depth, numberAsFloat);
+}
+function stringifyInlineTable(obj, depth, numberAsFloat) {
+	let keys = Object.keys(obj);
+	if (keys.length === 0) return "{}";
+	let res = "{ ";
+	for (let i = 0; i < keys.length; i++) {
+		let k = keys[i];
+		if (i) res += ", ";
+		res += BARE_KEY.test(k) ? k : formatString(k);
+		res += " = ";
+		res += stringifyValue(obj[k], extendedTypeOf(obj[k]), depth - 1, numberAsFloat);
+	}
+	return res + " }";
+}
+function stringifyArray(array, depth, numberAsFloat) {
+	if (array.length === 0) return "[]";
+	let res = "[ ";
+	for (let i = 0; i < array.length; i++) {
+		if (i) res += ", ";
+		if (array[i] === null || array[i] === void 0) throw new TypeError("arrays cannot contain null or undefined values");
+		res += stringifyValue(array[i], extendedTypeOf(array[i]), depth - 1, numberAsFloat);
+	}
+	return res + " ]";
+}
+function stringifyArrayTable(array, key, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	let res = "";
+	for (let i = 0; i < array.length; i++) {
+		res += `${res && "\n"}[[${key}]]\n`;
+		res += stringifyTable(0, array[i], key, depth, numberAsFloat);
+	}
+	return res;
+}
+function stringifyTable(tableKey, obj, prefix, depth, numberAsFloat) {
+	if (depth === 0) throw new Error("Could not stringify the object: maximum object depth exceeded");
+	let preamble = "";
+	let tables = "";
+	let keys = Object.keys(obj);
+	for (let i = 0; i < keys.length; i++) {
+		let k = keys[i];
+		if (obj[k] !== null && obj[k] !== void 0) {
+			let type = extendedTypeOf(obj[k]);
+			if (type === "symbol" || type === "function") throw new TypeError(`cannot serialize values of type '${type}'`);
+			let key = BARE_KEY.test(k) ? k : formatString(k);
+			if (type === "array" && isArrayOfTables(obj[k])) tables += (tables && "\n") + stringifyArrayTable(obj[k], prefix ? `${prefix}.${key}` : key, depth - 1, numberAsFloat);
+			else if (type === "object") {
+				let tblKey = prefix ? `${prefix}.${key}` : key;
+				tables += (tables && "\n") + stringifyTable(tblKey, obj[k], tblKey, depth - 1, numberAsFloat);
+			} else {
+				preamble += key;
+				preamble += " = ";
+				preamble += stringifyValue(obj[k], type, depth, numberAsFloat);
+				preamble += "\n";
+			}
+		}
+	}
+	if (tableKey && (preamble || !tables)) preamble = preamble ? `[${tableKey}]\n${preamble}` : `[${tableKey}]`;
+	return preamble && tables ? `${preamble}\n${tables}` : preamble || tables;
+}
+function stringify(obj, { maxDepth = 1e3, numbersAsFloat = false } = {}) {
+	if (extendedTypeOf(obj) !== "object") throw new TypeError("stringify can only be called with an object");
+	let str = stringifyTable(0, obj, "", maxDepth, numbersAsFloat);
+	if (str[str.length - 1] !== "\n") return str + "\n";
+	return str;
+}
+//#endregion
+//#region src/index.ts
+var src_default = {
+	parse,
+	stringify,
+	TomlDate,
+	TomlError
+};
+//#endregion
+exports.TomlDate = TomlDate;
+exports.TomlError = TomlError;
+exports["default"] = src_default;
+exports.parse = parse;
+exports.stringify = stringify;
+
+//# sourceMappingURL=index.cjs.map
+
+/***/ }),
+
 /***/ 64012:
 /***/ ((module) => {
 
diff --git a/package-lock.json b/package-lock.json
index e7b05b2e..4ae72e5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,8 @@
         "@actions/http-client": "^3.0.2",
         "@actions/io": "^2.0.0",
         "@actions/tool-cache": "^3.0.1",
-        "semver": "^7.6.3"
+        "semver": "^7.6.3",
+        "smol-toml": "^1.6.1"
       },
       "devDependencies": {
         "@types/jest": "^29.5.14",
@@ -5467,6 +5468,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/smol-toml": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.7.0.tgz",
+      "integrity": "sha512-aqVvWoyO21L23mb+drl4RmMXbf6N7FdHjAhTRA9ZBL7apWBgfWC16KjrASI+1p9GAroljyMHj6fK67i0UiTNvQ==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/cyyynthia"
+      }
+    },
     "node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
diff --git a/package.json b/package.json
index c2157866..f0f4af06 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,8 @@
     "@actions/http-client": "^3.0.2",
     "@actions/io": "^2.0.0",
     "@actions/tool-cache": "^3.0.1",
-    "semver": "^7.6.3"
+    "semver": "^7.6.3",
+    "smol-toml": "^1.6.1"
   },
   "devDependencies": {
     "@types/jest": "^29.5.14",
diff --git a/src/util.ts b/src/util.ts
index dd34f7e5..4c421586 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -1,6 +1,7 @@
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 import * as io from '@actions/io';
+import {parse} from 'smol-toml';
 
 import fs from 'fs';
 import path from 'path';
@@ -68,6 +69,26 @@ export function getNodeVersionFromFile(versionFilePath: string): string | null {
     core.info('Node version file is not JSON file');
   }
 
+  // Try parsing the file as a mise `mise.toml` file.
+  try {
+    const manifest: Record<string, any> = parse(contents);
+    if (manifest?.tools?.node) {
+      const node = manifest.tools.node;
+
+      if (typeof node === 'object' && node?.version) {
+        return node.version;
+      }
+
+      if (typeof node === 'string') {
+        return node;
+      }
+
+      return null;
+    }
+  } catch {
+    core.info('Node version file is not TOML file');
+  }
+
   const found = contents.match(/^(?:node(js)?\s+)?v?(?<version>[^\s]+)$/m);
   return found?.groups?.version ?? contents.trim();
 }