diff --git a/package.json b/package.json
index 0a83a102..fa8126b7 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.0",
-    "expect": "^22.0.0",
+    "expect": "^23.0.0",
     "mocha": "^5.0.0",
     "nyc": "^11.3.0",
     "supertest": "^3.0.0"