diff --git a/cli/packages/prisma-yml/package.json b/cli/packages/prisma-yml/package.json
index 519d96bf9d..ddbbcfa13b 100644
--- a/cli/packages/prisma-yml/package.json
+++ b/cli/packages/prisma-yml/package.json
@@ -22,7 +22,7 @@
     "typescript": "^2.6.2"
   },
   "dependencies": {
-    "ajv": "5",
+    "ajv": "6.10.2",
     "bluebird": "^3.5.1",
     "chalk": "^2.3.0",
     "debug": "^3.1.0",