diff --git a/package.json b/package.json
index 1988765..9517269 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "rsvp": "4.7.0",
     "semantic-release": "^12.2.2",
     "standard": "^10.0.3",
-    "supertest": "^3.0.0",
+    "supertest": "^4.0.0",
     "travis-deploy-once": "^4.3.1"
   },
   "standard": {