diff --git a/package.json b/package.json
index 7cf75a8e58..9d5500ef5d 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "hastscript": "^9.0.0",
     "i18next": "^25.0.0",
     "i18next-browser-languagedetector": "^8.0.0",
-    "immer": "^9.0.21",
+    "immer": "^11.0.0",
     "java-slang": "^1.0.13",
     "js-cookie": "^3.0.5",
     "js-slang": "^1.0.85",
diff --git a/yarn.lock b/yarn.lock
index 9d9c9846ae..497855abce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7751,7 +7751,7 @@ __metadata:
     i18next: "npm:^25.0.0"
     i18next-browser-languagedetector: "npm:^8.0.0"
     identity-obj-proxy: "npm:^3.0.0"
-    immer: "npm:^9.0.21"
+    immer: "npm:^11.0.0"
     java-slang: "npm:^1.0.13"
     js-cookie: "npm:^3.0.5"
     js-slang: "npm:^1.0.85"
@@ -8456,6 +8456,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"immer@npm:^11.0.0":
+  version: 11.0.1
+  resolution: "immer@npm:11.0.1"
+  checksum: 10c0/d505c1aa6d5d7ff03196e0a508af2853839eb1a3d5af51d55ca5815c46981b74765faf357fbd276b151109b07dd6b564077be92b0247b0a4effa78130166030d
+  languageName: node
+  linkType: hard
+
 "immer@npm:^9.0.21":
   version: 9.0.21
   resolution: "immer@npm:9.0.21"