diff --git a/package.json b/package.json
index c9e4eaea..6bd6781f 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "release": "standard-version && yarn build && git push --follow-tags && npm publish"
   },
   "files": [
+    "src",
     "dist",
     "types"
   ],