diff --git a/package.json b/package.json
index be07e4c..1be8158 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "https://liberapay.com/kytta",
     "https://www.paypal.com/paypalme/NickKaramoff"
   ],
+  "type": "module",
   "main": "./dist/shareon.umd.js",
   "unpkg": "./dist/shareon.iife.js",
   "jsdelivr": "./dist/shareon.iife.js",
diff --git a/postcss.config.js b/postcss.config.cjs
similarity index 100%
rename from postcss.config.js
rename to postcss.config.cjs