diff --git a/package.json b/package.json
index d493ff7..9b3362f 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "devDependencies": {
     "chai": "~3.5.0",
     "istanbul": "~0.4.5",
-    "mocha": "~3.2.0",
+    "mocha": "~6.1.4",
     "mocha-lcov-reporter": "~1.2.0",
     "pre-commit": "~1.2.0",
     "sinon": "~1.17.6",