diff --git a/package.json b/package.json
index 5945d7c..fa34cae 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "chai": "4.1.2",
     "ethereumjs-wallet": "0.6.2",
     "ganache-core": "2.5.5",
-    "mocha": "5.1.1",
+    "mocha": "6.2.1",
     "truffle-contract": "3.0.6",
     "web3": "0.20.7"
   },