diff --git a/package.json b/package.json
index ee47055..6404665 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "promisify-any": "^2.0.1"
   },
   "devDependencies": {
-    "mocha": "^3.1.2",
+    "mocha": "^3.4.2",
     "chai": "^3.5.0",
     "jshint": "^2.9.3",
     "istanbul": "^0.4.5",