diff --git a/scheduler/package.json b/scheduler/package.json
index 16ac79e58d..f60943446b 100644
--- a/scheduler/package.json
+++ b/scheduler/package.json
@@ -22,6 +22,6 @@
     "chai": "^4.2.0",
     "execa": "^1.0.0",
     "mocha": "^6.0.0",
-    "supertest": "^3.3.0"
+    "supertest": "^4.0.0"
   }
 }