diff --git a/postcss.config.mjs b/postcss.config.cjs
similarity index 70%
rename from postcss.config.mjs
rename to postcss.config.cjs
index 1a69fd2..5c0210a 100644
--- a/postcss.config.mjs
+++ b/postcss.config.cjs
@@ -2,7 +2,8 @@
 const config = {
   plugins: {
     tailwindcss: {},
+    autoprefixer: {},
   },
 };
 
-export default config;
+module.exports = config;