diff --git a/package.json b/package.json
index 4632ef5..61b7c88 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "chai": "^4.1.2",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "nyc": "^11.2.1"
   },
   "devDependencies": {