diff --git a/package.json b/package.json
index 6f16bb1..379f9e0 100755
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "sdk_signer",
   "version": "0.1.2",
   "description": "",
+  "type": "commonjs",
   "main": "dist/index.js",
   "scripts": {
     "test": "vitest run",