diff --git a/election/web/package.json b/election/web/package.json
index 580cd879..e3c60fd6 100644
--- a/election/web/package.json
+++ b/election/web/package.json
@@ -28,7 +28,7 @@
     "date-fns": "^2.14.0",
     "date-fns-tz": "^1.0.10",
     "fast-deep-equal": "^3.1.3",
-    "immer": "^8.0.1",
+    "immer": "^9.0.5",
     "lodash": "^4.17.15",
     "luxon": "^1.25.0",
     "mobx": "^6.1.4",