diff --git a/package.json b/package.json
index 11d9075..4f282e7 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "io-ts": "^2.2.21",
     "prettier": "^3.5.3",
     "typescript": "^5.5.4",
-    "zod": "^3.23.8"
+    "zod": "^4.2.1"
   },
   "scripts": {
     "clean": "rm -r ./dist",