diff --git a/package.json b/package.json
index 1817028..e04369d 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "snap-shot": "2.17.0"
   },
   "dependencies": {
-    "ajv": "^4.11.5",
+    "ajv": "^6.0.0",
     "ajv-keywords": "^1.5.1",
     "loader-utils": "^1.1.0",
     "sharp": "^0.17.2"