diff --git a/package.json b/package.json
index e50e19b22f..788f543dc6 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "formiojs",
   "version": "4.19.5",
   "description": "JavaScript powered Forms with JSON Form Builder",
+  "type": "commonjs",
   "main": "index.js",
   "types": "index.d.ts",
   "files": [