diff --git a/package.json b/package.json
index 73d066d..2029c14 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "es6-promise": "^4.1.1",
     "eslint": "^4.1.1",
     "glob-all": "^3.0.1",
-    "mocha": "^4.0.0",
+    "mocha": "^5.0.5",
     "tslint": "^5.4.3",
     "typescript": "^2.4.1"
   },