diff --git a/package.json b/package.json
index 7250faea..1c3e938c 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,12 @@
     "type": "git"
   },
   "license": "MIT",
+  "files": [
+    "dist",
+    "src",
+    "LICENSE",
+    "yarn.lock"
+  ],
   "scripts": {
     "test": "yarn build && jest",
     "build": "yarn clean && tsc",