diff --git a/package.json b/package.json
index 017f90f..6705791 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "eslint-config-airbnb-base": "^11.0.1",
     "eslint-plugin-import": "^2.2.0",
     "isparta": "^4.0.0",
-    "mocha": "^3.2.0",
+    "mocha": "^3.4.2",
     "npm-run-all": "^4.0.0",
     "power-assert": "^1.4.2",
     "rimraf": "^2.5.2",