diff --git a/package.json b/package.json
index 8b47633..a8a5647 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "ajv": "^7.0.4",
     "ajv-formats": "^1.5.1",
-    "ajv-keywords": "^4.0.0",
+    "ajv-keywords": "^5.0.0",
     "json-schema-to-typescript": "^10.1.3"
   },
   "devDependencies": {