diff --git a/package.json b/package.json
index bc637f8..94dcc3f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-standard": "^4.0.0",
     "koa": "^2.6.2",
     "mocha": "^7.0.1",
-    "supertest": "^4.0.1"
+    "supertest": "^6.3.3"
   },
   "license": "MIT"
 }