diff --git a/package.json b/package.json
index b584d6f9172..5dff2604fb1 100644
--- a/package.json
+++ b/package.json
@@ -120,6 +120,7 @@
     "webpack": "^5.28.0",
     "webpack-cli": "^4.6.0",
     "webpack-dev-server": "^3.3.1",
-    "webpack-merge": "^5.1.4"
+    "webpack-merge": "^5.1.4",
+    "wicg-inert": "3.1.1"
   }
 }