diff --git a/package.json b/package.json
index 52a40a6..11e2a23 100644
--- a/package.json
+++ b/package.json
@@ -58,5 +58,10 @@
         ]
       }
     }
-  }
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "properties.json"
+  ]
 }