diff --git a/packages/redux-devtools-extension/package.json b/packages/redux-devtools-extension/package.json
index 80be93f1..1b8fd7b8 100644
--- a/packages/redux-devtools-extension/package.json
+++ b/packages/redux-devtools-extension/package.json
@@ -5,6 +5,10 @@
   "homepage": "https://github.com/reduxjs/redux-devtools/tree/master/packages/redux-devtools-extension",
   "license": "MIT",
   "author": "Mihail Diordiev <zalmoxisus@gmail.com> (https://github.com/zalmoxisus)",
+  "files": [
+    "lib",
+    "src"
+  ],
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "repository": {