diff --git a/package.json b/package.json
index fc4909c..a14e16a 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "7.2.2",
   "description": "JWT utils for Fastify",
   "main": "jwt.js",
+  "type": "commonjs",
   "types": "types/jwt.d.ts",
   "scripts": {
     "lint": "standard",