diff --git a/package.json b/package.json
index 208679a..a96fddb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "axios": "^1.7.2",
-    "zod": "^3.23.8",
+    "zod": "^4.0.0",
     "zod-to-json-schema": "^3.23.0"
   },
   "devDependencies": {