diff --git a/samples/package.json b/samples/package.json
index 30e24138..13296eea 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -26,7 +26,7 @@
     "execa": "^1.0.0",
     "mocha": "^6.0.0",
     "proxyquire": "^2.1.0",
-    "supertest": "^3.3.0",
+    "supertest": "^4.0.0",
     "uuid": "^3.3.0"
   }
 }