diff --git a/packages/google-cloud-resourcemanager/package.json b/packages/google-cloud-resourcemanager/package.json
index 893e5aa7310..6c52e5412e0 100644
--- a/packages/google-cloud-resourcemanager/package.json
+++ b/packages/google-cloud-resourcemanager/package.json
@@ -67,7 +67,7 @@
     "intelli-espower-loader": "^1.0.1",
     "jsdoc": "^3.5.5",
     "methmeth": "^1.1.0",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "nyc": "^11.3.0",
     "power-assert": "^1.4.4",
     "prettier": "^1.7.4",