diff --git a/.changeset/beige-trainers-marry.md b/.changeset/beige-trainers-marry.md
new file mode 100644
index 00000000..ef521a94
--- /dev/null
+++ b/.changeset/beige-trainers-marry.md
@@ -0,0 +1,5 @@
+---
+'@prefresh/vite': patch
+---
+
+Support `.cjs` and `.mjs` file extensions in Vite plugin
diff --git a/packages/vite/src/index.js b/packages/vite/src/index.js
index d7164596..c774ed03 100644
--- a/packages/vite/src/index.js
+++ b/packages/vite/src/index.js
@@ -19,7 +19,7 @@ module.exports = function prefreshPlugin(options = {}) {
           : options && options.ssr === true;
       if (
         shouldSkip ||
-        !/\.(t|j)sx?$/.test(id) ||
+        !/\.(c|m)?(t|j)sx?$/.test(id) ||
         id.includes('node_modules') ||
         id.includes('?worker') ||
         !filter(id) ||