diff --git a/package.json b/package.json
index 7a04efa..26ba60a 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/JSONScript/jsonscript-proxy#readme",
   "dependencies": {
     "ajv": "^4.1.2",
-    "ajv-keywords": "^1.1.1",
+    "ajv-keywords": "^2.0.0",
     "body-parser": "^1.15.1",
     "express": "^4.13.4",
     "jsonscript-js": "^0.5.0",