diff --git a/package.json b/package.json
index 394bf55..81e7178 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
   "files": [
     "lib",
     "es",
+    "src",
     "types"
   ],
   "homepage": "https://github.com/rsuite/schema-typed#readme",