diff --git a/dataproc/package.json b/dataproc/package.json
index f90942ec0c..4ce83e9cb2 100644
--- a/dataproc/package.json
+++ b/dataproc/package.json
@@ -17,6 +17,6 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "execa": "^1.0.0",
-    "mocha": "^5.2.0"
+    "mocha": "^6.0.0"
   }
 }