diff --git a/postcss.config.mjs b/postcss.config.mjs
index 1a69fd2..51df5c5 100644
--- a/postcss.config.mjs
+++ b/postcss.config.mjs
@@ -2,6 +2,7 @@
 const config = {
   plugins: {
     tailwindcss: {},
+    "postcss-github-markdown-css": {},
   },
 };