diff --git a/package.json b/package.json
index 7749afe..4c53d20 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "bindings": "^1.3.0",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "nan": "^2.8.0",
     "nyc": "^11.3.0",
     "ref": "^1.3.5"