diff --git a/package-lock.json b/package-lock.json
index d5f28f490..18ce9834b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "koa",
-  "version": "2.13.1",
+  "version": "3.0.0-alpha.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "2.13.1",
+      "version": "3.0.0-alpha.1",
       "license": "MIT",
       "dependencies": {
         "accepts": "^1.3.5",
@@ -1661,10 +1661,13 @@
       }
     },
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-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
-      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
-      "dev": true
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.1.tgz",
+      "integrity": "sha512-T0+barUSQRTUQASh8bx02dl+DhF54GtIDY13Y3m9oWTklKbb3Wv974meRpeZ3lp1JpLVECWWNHC4vaG2XHXouQ==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
     },
     "node_modules/concat-map": {
       "version": "0.0.1",
@@ -1720,9 +1723,9 @@
       }
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-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.3.tgz",
-      "integrity": "sha512-JxbCBUdrfr6AQjOXrxoTvAMJO4HBTUIlBzslcJPAz+/KT8yk53fXun51u+RenNYvad/+Vc2DIz5o9UxlCDymFQ==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw==",
       "dev": true
     },
     "node_modules/cookies": {
@@ -2768,9 +2771,9 @@
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-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.1.tgz",
-      "integrity": "sha512-0EcS9wCFEzLvfiks7omJ+SiYJAiD+TzK4Pcw1UlUoGnhUxDcMKjt0P7x8wEb0u6OHu8Nb98WG3nxtlF5C7bvUQ==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
+      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
       "dev": true,
       "dependencies": {
         "dezalgo": "^1.0.4",
@@ -4676,9 +4679,9 @@
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-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.11.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.2.tgz",
+      "integrity": "sha512-tDNIz22aBzCDxLtVH++VnTfzxlfeK5CbqohpSqpJgj1Wg/cQbStNAz3NuqCs5vV+pjBsK4x4pN9HlVh7rcYRiA==",
       "dev": true,
       "dependencies": {
         "side-channel": "^1.0.4"
@@ -5029,17 +5032,17 @@
       }
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     "node_modules/superagent": {
-      "version": "8.0.6",
-      "resolved": "https://registry.npmjs.org/superagent/-/superagent-8.0.6.tgz",
-      "integrity": "sha512-HqSe6DSIh3hEn6cJvCkaM1BLi466f1LHi4yubR0tpewlMpk4RUFFy35bKz8SsPBwYfIIJy5eclp+3tCYAuX0bw==",
+      "version": "8.1.2",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-8.1.2.tgz",
+      "integrity": "sha512-6WTxW1EB6yCxV5VFOIPQruWGHqc3yI7hEmZK6h+pyk69Lk/Ut7rLUY6W/ONF2MjBuGjvmMiIpsrVJ2vjrHlslA==",
       "dev": true,
       "dependencies": {
         "component-emitter": "^1.3.0",
-        "cookiejar": "^2.1.3",
+        "cookiejar": "^2.1.4",
         "debug": "^4.3.4",
         "fast-safe-stringify": "^2.1.1",
         "form-data": "^4.0.0",
-        "formidable": "^2.1.1",
+        "formidable": "^2.1.2",
         "methods": "^1.1.2",
         "mime": "2.6.0",
         "qs": "^6.11.0",
@@ -5050,9 +5053,9 @@
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     "node_modules/superagent/node_modules/semver": {
-      "version": "7.3.8",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
-      "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==",
+      "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"
@@ -5065,13 +5068,13 @@
       }
     },
     "node_modules/supertest": {
-      "version": "6.3.3",
-      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.3.3.tgz",
-      "integrity": "sha512-EMCG6G8gDu5qEqRQ3JjjPs6+FYT1a7Hv5ApHvtSghmOFJYtsU5S+pSb6Y2EUeCEY3CmEL3mmQ8YWlPOzQomabA==",
+      "version": "6.3.4",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.3.4.tgz",
+      "integrity": "sha512-erY3HFDG0dPnhw4U+udPfrzXa4xhSG+n4rxfRuZWCUvjFWwKl+OxWf/7zk50s84/fAAs7vf5QAb9uRa0cCykxw==",
       "dev": true,
       "dependencies": {
         "methods": "^1.1.2",
-        "superagent": "^8.0.5"
+        "superagent": "^8.1.2"
       },
       "engines": {
         "node": ">=6.4.0"
@@ -6796,9 +6799,9 @@
       }
     },
     "component-emitter": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
-      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.1.tgz",
+      "integrity": "sha512-T0+barUSQRTUQASh8bx02dl+DhF54GtIDY13Y3m9oWTklKbb3Wv974meRpeZ3lp1JpLVECWWNHC4vaG2XHXouQ==",
       "dev": true
     },
     "concat-map": {
@@ -6837,9 +6840,9 @@
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     },
     "cookiejar": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.3.tgz",
-      "integrity": "sha512-JxbCBUdrfr6AQjOXrxoTvAMJO4HBTUIlBzslcJPAz+/KT8yk53fXun51u+RenNYvad/+Vc2DIz5o9UxlCDymFQ==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw==",
       "dev": true
     },
     "cookies": {
@@ -7625,9 +7628,9 @@
       }
     },
     "formidable": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.1.tgz",
-      "integrity": "sha512-0EcS9wCFEzLvfiks7omJ+SiYJAiD+TzK4Pcw1UlUoGnhUxDcMKjt0P7x8wEb0u6OHu8Nb98WG3nxtlF5C7bvUQ==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
+      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
       "dev": true,
       "requires": {
         "dezalgo": "^1.0.4",
@@ -9026,9 +9029,9 @@
       "dev": true
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     "qs": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
-      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "version": "6.11.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.2.tgz",
+      "integrity": "sha512-tDNIz22aBzCDxLtVH++VnTfzxlfeK5CbqohpSqpJgj1Wg/cQbStNAz3NuqCs5vV+pjBsK4x4pN9HlVh7rcYRiA==",
       "dev": true,
       "requires": {
         "side-channel": "^1.0.4"
@@ -9281,17 +9284,17 @@
       "dev": true
     },
     "superagent": {
-      "version": "8.0.6",
-      "resolved": "https://registry.npmjs.org/superagent/-/superagent-8.0.6.tgz",
-      "integrity": "sha512-HqSe6DSIh3hEn6cJvCkaM1BLi466f1LHi4yubR0tpewlMpk4RUFFy35bKz8SsPBwYfIIJy5eclp+3tCYAuX0bw==",
+      "version": "8.1.2",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-8.1.2.tgz",
+      "integrity": "sha512-6WTxW1EB6yCxV5VFOIPQruWGHqc3yI7hEmZK6h+pyk69Lk/Ut7rLUY6W/ONF2MjBuGjvmMiIpsrVJ2vjrHlslA==",
       "dev": true,
       "requires": {
         "component-emitter": "^1.3.0",
-        "cookiejar": "^2.1.3",
+        "cookiejar": "^2.1.4",
         "debug": "^4.3.4",
         "fast-safe-stringify": "^2.1.1",
         "form-data": "^4.0.0",
-        "formidable": "^2.1.1",
+        "formidable": "^2.1.2",
         "methods": "^1.1.2",
         "mime": "2.6.0",
         "qs": "^6.11.0",
@@ -9299,9 +9302,9 @@
       },
       "dependencies": {
         "semver": {
-          "version": "7.3.8",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
-          "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==",
+          "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,
           "requires": {
             "lru-cache": "^6.0.0"
@@ -9310,13 +9313,13 @@
       }
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     "supertest": {
-      "version": "6.3.3",
-      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.3.3.tgz",
-      "integrity": "sha512-EMCG6G8gDu5qEqRQ3JjjPs6+FYT1a7Hv5ApHvtSghmOFJYtsU5S+pSb6Y2EUeCEY3CmEL3mmQ8YWlPOzQomabA==",
+      "version": "6.3.4",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-6.3.4.tgz",
+      "integrity": "sha512-erY3HFDG0dPnhw4U+udPfrzXa4xhSG+n4rxfRuZWCUvjFWwKl+OxWf/7zk50s84/fAAs7vf5QAb9uRa0cCykxw==",
       "dev": true,
       "requires": {
         "methods": "^1.1.2",
-        "superagent": "^8.0.5"
+        "superagent": "^8.1.2"
       }
     },
     "supports-color": {