diff --git a/package.json b/package.json
index ef836d7..fa37bdb 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "typescript-json-schema": "^0.63.0"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=18.20.0"
   },
   "files": [
     "bin",