diff --git a/package.json b/package.json
index 1084ded..5a0a8cf 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gulp-exclude-gitignore": "^1.0.0",
     "gulp-line-ending-corrector": "^1.0.1",
     "gulp-istanbul": "^1.0.0",
-    "gulp-mocha": "^3.0.1",
+    "gulp-mocha": "^4.1.0",
     "gulp-plumber": "^1.0.0",
     "gulp-nsp": "^2.1.0",
     "gulp-coveralls": "^0.1.0"