diff --git a/package.json b/package.json
index 1f6c033..6559cda 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,6 @@
     "gulp-tar": "^1.4.0",
     "gulp-tsc": "^0.10.1",
     "merge2": "^0.3.1",
-    "mocha": "^2.1.0"
+    "mocha": "^5.0.4"
   }
 }