diff --git a/package.json b/package.json
index af31339..dda6c57 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.29.0",
     "@rendobar/sdk": "^3.0.0",
-    "zod": "^3.25.0"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^20.14.0",
@@ -72,7 +72,7 @@
   },
   "pnpm": {
     "overrides": {
-      "zod": "^3.25.0"
+      "zod": "^4.0.0"
     }
   },
   "mcpName": "io.github.rendobar/mcp"