diff --git a/app/mithril/package.json b/app/mithril/package.json
index 8ef2fa3e4ff5..8692868bcbd4 100644
--- a/app/mithril/package.json
+++ b/app/mithril/package.json
@@ -49,7 +49,7 @@
     "markdown-loader": "^2.0.2",
     "react": "^16.3.1",
     "react-dom": "^16.3.1",
-    "webpack": "^4.5.0",
+    "webpack": "^5.1.1",
     "webpack-hot-middleware": "^2.22.0"
   },
   "devDependencies": {