diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a14d6c9acddb..407779b9569f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -55,7 +55,7 @@ importers:
         version: 10.0.1(eslint@10.5.0)
       '@modelcontextprotocol/sdk':
         specifier: 1.29.0
-        version: 1.29.0(zod@4.4.3)
+        version: 1.29.0(zod@4.6.6)
       '@types/jest':
         specifier: ^29.5.14
         version: 29.5.14
@@ -99,11 +99,11 @@ importers:
         specifier: ^8.61.1
         version: 8.61.1(eslint@10.5.0)(typescript@5.9.2)
       zod:
-        specifier: ^4.4.3
-        version: 4.4.3
+        specifier: ^4.6.6
+        version: 4.6.6
       zod-to-json-schema:
         specifier: ^3.25.2
-        version: 3.25.2(zod@4.4.3)
+        version: 3.25.2(zod@4.6.6)
 
   shell-tool-mcp:
     devDependencies:
@@ -2522,8 +2522,8 @@ packages:
     peerDependencies:
       zod: ^3.25.28 || ^4
 
-  zod@4.4.3:
-    resolution: {integrity: sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==}
+  zod@4.6.6:
+    resolution: {integrity: sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==}
 
 snapshots:
 
@@ -3057,7 +3057,7 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.5
 
-  '@modelcontextprotocol/sdk@1.29.0(zod@4.4.3)':
+  '@modelcontextprotocol/sdk@1.29.0(zod@4.6.6)':
     dependencies:
       '@hono/node-server': 1.19.14(hono@4.12.25)
       ajv: 8.18.0
@@ -3074,8 +3074,8 @@ snapshots:
       json-schema-typed: 8.0.2
       pkce-challenge: 5.0.1
       raw-body: 3.0.2
-      zod: 4.4.3
-      zod-to-json-schema: 3.25.2(zod@4.4.3)
+      zod: 4.6.6
+      zod-to-json-schema: 3.25.2(zod@4.6.6)
     transitivePeerDependencies:
       - supports-color
 
@@ -5123,8 +5123,8 @@ snapshots:
 
   yocto-queue@0.1.0: {}
 
-  zod-to-json-schema@3.25.2(zod@4.4.3):
+  zod-to-json-schema@3.25.2(zod@4.6.6):
     dependencies:
-      zod: 4.4.3
+      zod: 4.6.6
 
-  zod@4.4.3: {}
+  zod@4.6.6: {}
diff --git a/sdk/typescript/package.json b/sdk/typescript/package.json
index 92c3577a42f5..4f0df5d36e8f 100644
--- a/sdk/typescript/package.json
+++ b/sdk/typescript/package.json
@@ -61,7 +61,7 @@
     "tsup": "^8.5.0",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.61.1",
-    "zod": "^4.4.3",
+    "zod": "^4.6.6",
     "zod-to-json-schema": "^3.25.2"
   },
   "packageManager": "pnpm@10.33.0+sha512.10568bb4a6afb58c9eb3630da90cc9516417abebd3fabbe6739f0ae795728da1491e9db5a544c76ad8eb7570f5c4bb3d6c637b2cb41bfdcdb47fa823c8649319"