diff --git a/package.json b/package.json
index 2024e7446f..8247b72b18 100644
--- a/package.json
+++ b/package.json
@@ -149,6 +149,8 @@
   "files": [
     "build/esm",
     "build/umd",
+    "src/lib/**/*.ts",
+    "src/proto/**/*.ts",
     "!**/*.spec.*",
     "!**/*.json",
     "CHANGELOG.md",