diff --git a/package.json b/package.json
index 0ce747a..9f7f017 100644
--- a/package.json
+++ b/package.json
@@ -48,5 +48,6 @@
     "tsc:check": "tsc --noEmit",
     "verify": "npm run tsc:check && npm run lint && npm run test"
   },
+  "type": "commonjs",
   "version": "3.0.0"
 }