diff --git a/README.md b/README.md
index 71f963e3..236b6d2e 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ This action provides the following functionality for GitHub Actions users:
 
 - Caching is now automatically enabled for npm projects when either the `devEngines.packageManager` field or the top-level `packageManager` field in `package.json` is set to `npm`. For other package managers, such as Yarn and pnpm, caching is disabled by default and must be configured manually using the `cache` input.
 
+- The `always-auth` input has been removed, as it is deprecated and will be fully unsupported in future npm releases. Please remove any references to `always-auth` from your workflow to avoid warnings or errors. 
+
 ## Breaking changes in V5 
 
 - Enabled caching by default with package manager detection if no cache input is provided.
@@ -267,4 +269,4 @@ Contributions are welcome! See [Contributor's Guide](docs/contributors.md)
 
 ## Code of Conduct
 
-:wave: Be nice. See [our code of conduct](CODE_OF_CONDUCT.md)
\ No newline at end of file
+:wave: Be nice. See [our code of conduct](CODE_OF_CONDUCT.md)