diff --git a/package.json b/package.json
index 66ec864..6b2bb95 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     }
   },
   "dependencies": {
-    "ajv": "^5.2.2",
+    "ajv": "^6.0.0",
     "yargs": "^9.0.1"
   },
   "engines": {