diff --git a/client/package.json b/client/package.json
index b187941..41a87a5 100644
--- a/client/package.json
+++ b/client/package.json
@@ -12,7 +12,7 @@
     "bulma": "^0.7.5",
     "bulma-tooltip": "^2.0.2",
     "codemirror": "^5.47.0",
-    "immer": "^3.1.2",
+    "immer": "^9.0.6",
     "lodash": "^4.17.11",
     "most": "^1.7.3",
     "node-sass": "^4.12.0",
diff --git a/client/yarn.lock b/client/yarn.lock
old mode 100755
new mode 100644
index 5b0c68e..ad03138
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -5659,10 +5659,10 @@ immer@1.10.0:
   resolved "https://registry.yarnpkg.com/immer/-/immer-1.10.0.tgz#bad67605ba9c810275d91e1c2a47d4582e98286d"
   integrity sha512-O3sR1/opvCDGLEVcvrGTMtLac8GJ5IwZC4puPrLuRj3l7ICKvkmA0vGuU9OW8mV9WIBRnaxp5GJh9IEAaNOoYg==
 
-immer@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-3.1.2.tgz#1f24f2e25433f5ff168a1ff6c8c6366d2106e61a"
-  integrity sha512-pi8JuvJ9c+98DlpDms/o0YLLg5khP8Qzjd8CtIGc4qVm2eoLdQGivJL266nWccofKT/oBSxnhAh/o+nmOXtLXw==
+immer@^9.0.6:
+  version "9.0.6"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.6.tgz#7a96bf2674d06c8143e327cbf73539388ddf1a73"
+  integrity sha512-G95ivKpy+EvVAnAab4fVa4YGYn24J1SpEktnJX7JJ45Bd7xqME/SCplFzYFmTbrkwZbQ4xJK1xMTUYBkN6pWsQ==
 
 import-cwd@^2.0.0:
   version "2.1.0"