diff --git a/package.json b/package.json
index c5d31b09..6f3a14fd 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
   ],
   "version": "9.1.1",
   "main": "index.js",
+  "type": "commonjs",
   "repository": "github:tediousjs/node-mssql",
   "license": "MIT",
   "dependencies": {