diff --git a/package.json b/package.json
index fcf6b5a..4c5f863 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "devDependencies": {
     "accord": "0.20.3",
     "autoprefixer-stylus": "0.8.1",
-    "chai": "3.4.0",
+    "chai": "3.4.1",
     "coffee-script": "1.10.0",
     "css-parse": "2.0.0",
     "mocha": "2.3.3",