diff --git a/package.json b/package.json
index 9af1e6f286..f749738c9a 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
 		"gulp-typescript": "3.1.6",
 		"gulp-uglify": "3.0.0",
 		"gulp-util": "3.0.8",
-		"mocha": "3.4.1",
+		"mocha": "3.4.2",
 		"riot-tag-loader": "1.0.0",
 		"string-replace-webpack-plugin": "0.1.3",
 		"stylus": "0.54.5",