diff --git a/package.json b/package.json
index ddfff6a33..e8e2fc205 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
     "@types/jasminewd2": "^2.0.2",
     "@types/node": "9.3.0",
     "@types/selenium-webdriver": "^3.0.8",
+    "ajv-cli": "^3.0.0",
     "adf-tslint-rules": "0.0.7",
     "chrome-remote-interface": "^0.26.1",
     "codelyzer": "^4.5.0",