diff --git a/plugins/dev-helpers/package.json b/plugins/dev-helpers/package.json
index 595231f..00c1ff1 100644
--- a/plugins/dev-helpers/package.json
+++ b/plugins/dev-helpers/package.json
@@ -14,6 +14,6 @@
   "types": "lib/src/index.d.ts",
   "devDependencies": {
     "@inventage-web-components/common": "*",
-    "custom-elements-manifest": "^1.0.0"
+    "custom-elements-manifest": "^2.1.0"
   }
 }