diff --git a/package.json b/package.json
index 54cc9f6de68..4d30f2d83eb 100644
--- a/package.json
+++ b/package.json
@@ -115,7 +115,7 @@
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-2": "^6.22.0",
     "browserstack-local": "^1.3.0",
-    "chai": "^3.5.0",
+    "chai": "^4.0.2",
     "enzyme": "^2.8.2",
     "enzyme-to-json": "^1.5.1",
     "eslint": "^3.18.0",