diff --git a/package.json b/package.json
index 9cb2a6d..f6a9501 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,6 @@
     "mocha": "^3.3.0",
     "sinon": "^2.1.0",
     "sinon-chai": "^2.9.0",
-    "supertest": "^2.0.1"
+    "supertest": "^3.1.0"
   }
 }