diff --git a/package.json b/package.json
index 1e2cdff..dede123 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/postmanlabs/sails-env-switch#readme",
   "devDependencies": {
-    "chai": "4.0.2",
+    "chai": "4.2.0",
     "mocha": "3.4.2"
   }
 }