diff --git a/packages/core/src/packs/zod/fixtures/mcp-input-schema/package.json b/packages/core/src/packs/zod/fixtures/mcp-input-schema/package.json
index c146e81e..0ba3b57b 100644
--- a/packages/core/src/packs/zod/fixtures/mcp-input-schema/package.json
+++ b/packages/core/src/packs/zod/fixtures/mcp-input-schema/package.json
@@ -3,7 +3,7 @@
   "private": true,
   "type": "module",
   "dependencies": {
-    "@modelcontextprotocol/sdk": "1.30.1",
+    "@modelcontextprotocol/sdk": "1.31.0",
     "zod": "3.25.76"
   }
 }