diff --git a/ui/package-lock.json b/ui/package-lock.json
index 39ab143490..e30a50b011 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -18,7 +18,7 @@
         "react-dom": "^19.3.0",
         "react-markdown": "^10.1.0",
         "remark-gfm": "^4.0.1",
-        "zod": "^4.2.0"
+        "zod": "^4.6.6"
       },
       "devDependencies": {
         "@types/node": "^26.6.4",
@@ -3306,9 +3306,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "4.6.5",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.5.tgz",
-      "integrity": "sha512-v5l/aFXZQeai4awLbOpSoHecE9UiMrnfx75tEXLjNonXVARxQ5mOeipTjROUchszUNCqnE+hqAMujRsRHsut2Q==",
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.6.tgz",
+      "integrity": "sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/ui/package.json b/ui/package.json
index 96626e241c..3cb705a3b9 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -25,7 +25,7 @@
     "react-dom": "^19.3.0",
     "react-markdown": "^10.1.0",
     "remark-gfm": "^4.0.1",
-    "zod": "^4.2.0"
+    "zod": "^4.6.6"
   },
   "devDependencies": {
     "@types/node": "^26.6.4",