diff --git a/package/package.json b/package/package.json
index a2c4fb510..5b096250a 100644
--- a/package/package.json
+++ b/package/package.json
@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "chokidar": "^4.0.0",
-    "immutable": "^4.0.0",
+    "immutable": "^5.0.2",
     "source-map-js": ">=0.6.2 <2.0.0"
   },
   "optionalDependencies": {