diff --git a/package.json b/package.json
index f97c87113..4569ecb11 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "@types/webpack": "3.0.2",
     "@types/webpack-stream": "3.2.7",
     "@types/websocket": "0.0.34",
-    "chai": "4.0.2",
+    "chai": "4.1.0",
     "chai-http": "3.0.0",
     "css-loader": "0.28.4",
     "event-stream": "3.3.4",