diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 85b33f5..87c4e9e
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "keywords": [],
   "main": "src/index.js",
   "dependencies": {
-    "immer": "7.0.5",
+    "immer": "9.0.6",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-scripts": "3.4.1",