diff --git a/package.json b/package.json
index 8d70afa..3fd8a88 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
   },
   "files": [
     "src/*.ts",
+    "src/*/*.ts",
     "tsconfig.json"
   ],
   "devDependencies": {