diff --git a/.eslintrc.js b/.eslintrc.cjs
similarity index 100%
rename from .eslintrc.js
rename to .eslintrc.cjs
diff --git a/.prettierrc.js b/.prettierrc.js
deleted file mode 100644
index 6a17910f1a..0000000000
--- a/.prettierrc.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require("eslint-plugin-matrix-org/.prettierrc.js");
diff --git a/.stylelintrc.js b/.stylelintrc.cjs
similarity index 100%
rename from .stylelintrc.js
rename to .stylelintrc.cjs
diff --git a/babel.config.js b/babel.config.cjs
similarity index 100%
rename from babel.config.js
rename to babel.config.cjs
diff --git a/package.json b/package.json
index d1d4508f28..56cfd92135 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
         "url": "https://github.com/element-hq/element-web"
     },
     "license": "SEE LICENSE IN README.md",
+    "type": "module",
     "files": [
         "lib",
         "res",
diff --git a/recorder-worklet-loader.js b/recorder-worklet-loader.cjs
similarity index 100%
rename from recorder-worklet-loader.js
rename to recorder-worklet-loader.cjs
diff --git a/webpack.config.js b/webpack.config.cjs
similarity index 100%
rename from webpack.config.js
rename to webpack.config.cjs