diff --git a/packages/tailwindcss-intellisense/package.json b/packages/tailwindcss-intellisense/package.json
index f4c8633..a2eaca1 100755
--- a/packages/tailwindcss-intellisense/package.json
+++ b/packages/tailwindcss-intellisense/package.json
@@ -36,7 +36,7 @@
   },
   "icon": "media/icon.png",
   "activationEvents": [
-    "workspaceContains:**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.js"
+    "workspaceContains:**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.{js,cjs}"
   ],
   "main": "dist/extension/index.js",
   "contributes": {
diff --git a/packages/tailwindcss-intellisense/src/class-names/index.js b/packages/tailwindcss-intellisense/src/class-names/index.js
index a66b13d..0ab940e 100644
--- a/packages/tailwindcss-intellisense/src/class-names/index.js
+++ b/packages/tailwindcss-intellisense/src/class-names/index.js
@@ -24,7 +24,7 @@ function arraysEqual(arr1, arr2) {
 }
 
 const CONFIG_GLOB =
-  '**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.js'
+  '**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.{js,cjs}'
 
 export default async function getClassNames(
   cwd = process.cwd(),