diff --git a/js/core/package.json b/js/core/package.json
index 4ac148aad..da2de119d 100644
--- a/js/core/package.json
+++ b/js/core/package.json
@@ -53,7 +53,7 @@
     "uuid": "^11.1.0",
     "y-indexeddb": "^9.0.12",
     "yjs": "^13.6.27",
-    "zod": "^3.25.76"
+    "zod": "^4.1.1"
   },
   "devDependencies": {
     "@chromatic-com/storybook": "^4.1.0",