diff --git a/package.json b/package.json
index fdcbfaf7e..ddc339da5 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "nodemon": "1.18.9",
     "prettier": "1.16.0",
     "prettier-check": "2.0.0",
-    "supertest": "3.4.1",
+    "supertest": "3.4.2",
     "vuepress": "0.14.8",
     "yorkie": "2.0.0"
   },
diff --git a/yarn.lock b/yarn.lock
index a5a455970..b5bf9ec4f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9198,10 +9198,10 @@ superagent@^3.8.3:
     qs "^6.5.1"
     readable-stream "^2.3.5"
 
-supertest@3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.4.1.tgz#91b19ea34804c205769d0ff5ad947aff3eb2731d"
-  integrity sha512-r4AmsjjKxC50LxGACe/E4xKjau2amiFlj3aCT2sZCRig2o3l4XFN6Acw7crDu4d8Af1f5chafIyLkQ1mac/boA==
+supertest@3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.4.2.tgz#bad7de2e43d60d27c8caeb8ab34a67c8a5f71aad"
+  integrity sha512-WZWbwceHUo2P36RoEIdXvmqfs47idNNZjCuJOqDz6rvtkk8ym56aU5oglORCpPeXGxT7l9rkJ41+O1lffQXYSA==
   dependencies:
     methods "^1.1.2"
     superagent "^3.8.3"