diff --git a/test/package-lock.json b/test/package-lock.json
index f89f18e..2ffa37f 100644
--- a/test/package-lock.json
+++ b/test/package-lock.json
@@ -12,7 +12,7 @@
         "cross-env": "^7.0.3",
         "express": "^4.19.2",
         "jest": "^29.7.0",
-        "superagent": "^8.1.2",
+        "superagent": "^9.0.2",
         "ws": "^8.17.0"
       },
       "engines": {
@@ -2104,15 +2104,14 @@
       }
     },
     "node_modules/formidable": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
-      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-3.5.1.tgz",
+      "integrity": "sha512-WJWKelbRHN41m5dumb0/k8TeAx7Id/y3a+Z7QfhxP/htI9Js5zYaEDtG8uMgG0vM0lOlqnmjE99/kfpOYi/0Og==",
       "dev": true,
       "dependencies": {
         "dezalgo": "^1.0.4",
         "hexoid": "^1.0.0",
-        "once": "^1.4.0",
-        "qs": "^6.11.0"
+        "once": "^1.4.0"
       },
       "funding": {
         "url": "https://ko-fi.com/tunnckoCore/commissions"
@@ -4104,9 +4103,9 @@
       }
     },
     "node_modules/superagent": {
-      "version": "8.1.2",
-      "resolved": "https://registry.npmjs.org/superagent/-/superagent-8.1.2.tgz",
-      "integrity": "sha512-6WTxW1EB6yCxV5VFOIPQruWGHqc3yI7hEmZK6h+pyk69Lk/Ut7rLUY6W/ONF2MjBuGjvmMiIpsrVJ2vjrHlslA==",
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-9.0.2.tgz",
+      "integrity": "sha512-xuW7dzkUpcJq7QnhOsnNUgtYp3xRwpt2F7abdRYIpCsAt0hhUqia0EdxyXZQQpNmGtsCzYHryaKSV3q3GJnq7w==",
       "dev": true,
       "dependencies": {
         "component-emitter": "^1.3.0",
@@ -4114,14 +4113,13 @@
         "debug": "^4.3.4",
         "fast-safe-stringify": "^2.1.1",
         "form-data": "^4.0.0",
-        "formidable": "^2.1.2",
+        "formidable": "^3.5.1",
         "methods": "^1.1.2",
         "mime": "2.6.0",
-        "qs": "^6.11.0",
-        "semver": "^7.3.8"
+        "qs": "^6.11.0"
       },
       "engines": {
-        "node": ">=6.4.0 <13 || >=14"
+        "node": ">=14.18.0"
       }
     },
     "node_modules/superagent/node_modules/debug": {
@@ -4141,18 +4139,6 @@
         }
       }
     },
-    "node_modules/superagent/node_modules/lru-cache": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
-      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
-      "dev": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/superagent/node_modules/mime": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-2.6.0.tgz",
@@ -4171,27 +4157,6 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
-    "node_modules/superagent/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/superagent/node_modules/yallist": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-      "dev": true
-    },
     "node_modules/supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
diff --git a/test/package.json b/test/package.json
index 336fc74..6ed21b0 100644
--- a/test/package.json
+++ b/test/package.json
@@ -17,7 +17,7 @@
     "cross-env": "^7.0.3",
     "express": "^4.19.2",
     "jest": "^29.7.0",
-    "superagent": "^8.1.2",
+    "superagent": "^9.0.2",
     "ws": "^8.17.0"
   }
 }
diff --git a/test/request.js b/test/request.js
index 5df9270..f813f64 100644
--- a/test/request.js
+++ b/test/request.js
@@ -29,7 +29,7 @@ export default async function request(path, {
 	const urlOrigin = proto + '://' + host;
 
 	const req = superagent[method.toLowerCase()](urlOrigin + encodeURI(path));
-	req.connect({ [host]: { host: ipv6 ? '::1' : '127.0.0.1', port: proxyPort } });
+	req.connect({ [host]: { host: ipv6 ? '[::1]' : '127.0.0.1', port: proxyPort } });
 
 	if (http2) req.http2();
 	if (secure) req.ca(caCertificate);
@@ -73,4 +73,4 @@ export async function websocket(path, {
 		ws.on('open', () => resolve(ws));
 		ws.on('error', reject);
 	});
-}
\ No newline at end of file
+}