diff --git a/package.json b/package.json
index 7a3314a..94e28b5 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "popover"
   ],
   "type": "module",
-  "main": "./dist/popover-fn.js",
+  "main": "./dist/popover.js",
   "module": "./dist/popover.js",
   "browser": "./dist/popover.iife.min.js",
   "unpkg": "./dist/popover.min.js",
@@ -33,7 +33,8 @@
     },
     "./fn": {
       "types": "./dist/index-fn.d.ts",
-      "import": "./dist/popover-fn.js"
+      "import": "./dist/popover-fn.js",
+      "require": "./dist/popover-fn.cjs.js"
     }
   },
   "typesVersions": {
@@ -60,6 +61,7 @@
     "build:esm": "esbuild --bundle src/index.ts --outfile=dist/popover.js --format=esm --sourcemap",
     "build:esm-min": "esbuild --bundle src/index.ts --outfile=dist/popover.min.js --format=esm --minify --sourcemap",
     "build:esm-fn": "esbuild --bundle src/index-fn.ts --outfile=dist/popover-fn.js --format=esm --sourcemap",
+    "build:cjs-fn": "esbuild --bundle src/index-fn.ts --outfile=dist/popover-fn.cjs.js --format=cjs --sourcemap",
     "clean": "rm -rf dist",
     "build": "run-s clean build:* types",
     "server:start": "esbuild --bundle src/index.ts --format=esm --servedir=. --outdir=dist --sourcemap --serve=\"${PORT:-3000}\" --log-level=\"${LEVEL:-info}\"",