diff --git a/package-lock.json b/package-lock.json
index 6bd47ce..93904d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "atcoder-cli",
       "version": "2.1.1",
       "license": "BSD-3-Clause",
       "dependencies": {
@@ -16,7 +17,7 @@
         "inquirer": "^7.0.0",
         "jsdom": "^15.1.1",
         "mkdirp": "^0.5.1",
-        "query-string": "^6.8.3",
+        "query-string": "^6.14.1",
         "typesafe-di": "^0.1.0",
         "update-notifier": "^4.1.0"
       },
@@ -3117,6 +3118,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/filter-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/filter-obj/-/filter-obj-1.1.0.tgz",
+      "integrity": "sha512-8rXg1ZnX7xzy2NGDVkBVaAy+lSlPNwad13BtgSlLuxfIslyt5Vg64U7tFcCt4WS1R0hvtnQybT/IyCkGZ3DpXQ==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/find-cache-dir": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.1.0.tgz",
@@ -7258,16 +7267,20 @@
       }
     },
     "node_modules/query-string": {
-      "version": "6.8.3",
-      "resolved": "https://registry.npmjs.org/query-string/-/query-string-6.8.3.tgz",
-      "integrity": "sha512-llcxWccnyaWlODe7A9hRjkvdCKamEKTh+wH8ITdTc3OhchaqUZteiSCX/2ablWHVrkVIe04dntnaZJ7BdyW0lQ==",
+      "version": "6.14.1",
+      "resolved": "https://registry.npmjs.org/query-string/-/query-string-6.14.1.tgz",
+      "integrity": "sha512-XDxAeVmpfu1/6IjyT/gXHOl+S0vQ9owggJ30hhWKdHAsNPOcasn5o9BW0eejZqL2e4vMjhAxoW3jVHcD6mbcYw==",
       "dependencies": {
         "decode-uri-component": "^0.2.0",
+        "filter-obj": "^1.1.0",
         "split-on-first": "^1.0.0",
         "strict-uri-encode": "^2.0.0"
       },
       "engines": {
         "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/querystring": {
@@ -12269,6 +12282,11 @@
         }
       }
     },
+    "filter-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/filter-obj/-/filter-obj-1.1.0.tgz",
+      "integrity": "sha512-8rXg1ZnX7xzy2NGDVkBVaAy+lSlPNwad13BtgSlLuxfIslyt5Vg64U7tFcCt4WS1R0hvtnQybT/IyCkGZ3DpXQ=="
+    },
     "find-cache-dir": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.1.0.tgz",
@@ -15584,11 +15602,12 @@
       "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
     },
     "query-string": {
-      "version": "6.8.3",
-      "resolved": "https://registry.npmjs.org/query-string/-/query-string-6.8.3.tgz",
-      "integrity": "sha512-llcxWccnyaWlODe7A9hRjkvdCKamEKTh+wH8ITdTc3OhchaqUZteiSCX/2ablWHVrkVIe04dntnaZJ7BdyW0lQ==",
+      "version": "6.14.1",
+      "resolved": "https://registry.npmjs.org/query-string/-/query-string-6.14.1.tgz",
+      "integrity": "sha512-XDxAeVmpfu1/6IjyT/gXHOl+S0vQ9owggJ30hhWKdHAsNPOcasn5o9BW0eejZqL2e4vMjhAxoW3jVHcD6mbcYw==",
       "requires": {
         "decode-uri-component": "^0.2.0",
+        "filter-obj": "^1.1.0",
         "split-on-first": "^1.0.0",
         "strict-uri-encode": "^2.0.0"
       }
diff --git a/package.json b/package.json
index 22f5708..a15df7e 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "inquirer": "^7.0.0",
     "jsdom": "^15.1.1",
     "mkdirp": "^0.5.1",
-    "query-string": "^6.8.3",
+    "query-string": "^6.14.1",
     "typesafe-di": "^0.1.0",
     "update-notifier": "^4.1.0"
   },