diff --git a/README.md b/README.md
index 83badf8..7a88575 100644
--- a/README.md
+++ b/README.md
@@ -25,12 +25,27 @@ put these lines in your server.js
 
 ## Build-in Middlewares
 
-### Cors Support ([koa-cors](https://github.com/evert0n/koa-cors))
+### Cors Support ([@koa/cors](https://www.npmjs.com/package/@koa/cors))
 
 ``` javascript
   app.addCorsSupportMiddleware();
 ```
 
+Allowed settings :
+``` javascript
+  app.addCorsSupportMiddleware({
+    allowOrigin: '*', // `Access-Control-Allow-Origin`, * or a regex to filter allowed origins (for instance /emarsys.(com|net)$/)
+    allowMethods: 'GET,HEAD,PUT,POST,DELETE,PATCH', // `Access-Control-Allow-Methods`
+  });
+```
+
+**⚠️ WARNING ⚠️** : 
+Not specifying an allowed origin made the middleware always return an `Access-Control-Allow-Origin` header with the value of the origin from the request. This behavior completely disables one of the most crucial elements of browsers - the Same Origin Policy (SOP), this could cause a very serious security threat to the users of this middleware.
+
+Since version `2.0.0`, the package is based `@koa/cors@5.0.0` which
+[disables this behavior](https://www.npmjs.com/package/@koa/cors/v/5.0.0#breaking-change-between-50-and-40).
+It is **highly recommended** to specify a list of allowed origins.
+
 ### Method Override ([koa-methodoverwrite](https://github.com/koa-modules/methodoverride))
 
 ``` javascript
diff --git a/app/index.js b/app/index.js
index c10e103..727503c 100644
--- a/app/index.js
+++ b/app/index.js
@@ -1,7 +1,7 @@
 'use strict';
 
 let fs = require('fs');
-let cors = require('kcors');
+let cors = require('@koa/cors');
 let methodOverride = require('koa-methodoverride');
 let bodyparser = require('koa-bodyparser');
 let requestId = require('koa-requestid');
@@ -14,9 +14,26 @@ class App {
     this.koaApp = koaApp;
   }
 
-  addCorsSupportMiddleware() {
+  addCorsSupportMiddleware({ allowOrigin, allowMethods } = {
+    allowOrigin: '*',
+    allowMethods: 'GET,HEAD,PUT,POST,DELETE,PATCH'
+  }) {
+    let origin = '*';
+    if (allowOrigin instanceof RegExp) {
+      origin = function(ctx) {
+        const incoming = ctx.get('Origin');
+        if (incoming.match(allowOrigin)) {
+          return incoming;
+        }
+        // eslint-disable-next-line security/detect-unsafe-regex
+        if (incoming.match(/\/localhost(:\d+)?$/)) {
+          return incoming;
+        }
+      };
+    }
     this.addMiddleware(cors({
-      origin: '*'
+      origin,
+      allowMethods
     }));
   }
 
diff --git a/app/index.spec.js b/app/index.spec.js
new file mode 100644
index 0000000..17a7e05
--- /dev/null
+++ b/app/index.spec.js
@@ -0,0 +1,146 @@
+'use strict';
+
+const Koa = require('koa');
+const request = require('supertest');
+const App = require('./');
+const { expect } = require('chai');
+
+describe('Application building', () => {
+  describe('CORS', () => {
+    describe('default allowed origins', () => {
+      let koa;
+      let server;
+
+      before(() => {
+        koa = new Koa();
+        const app = new App(koa);
+        app.addCorsSupportMiddleware();
+        koa.use(function(ctx) {
+          ctx.body = { foo: 'bar' };
+        });
+        server = koa.listen();
+      });
+
+      after(() => {
+        server.close();
+      });
+
+      it('should set `Access-Control-Allow-Origin` to `*` when request Origin header missing', () => {
+        return request(server)
+          .get('/')
+          .expect({ foo: 'bar' })
+          .expect('access-control-allow-origin', '*')
+          .expect(200);
+      });
+
+      it('should set `Access-Control-Allow-Origin` to `*`', () => {
+        return request(server)
+          .get('/')
+          .set('Origin', 'http://koajs.com')
+          .expect('Access-Control-Allow-Origin', '*')
+          .expect({ foo: 'bar' })
+          .expect(200);
+      });
+
+      it('should 204 on Preflight Request', () => {
+        return request(server)
+          .options('/')
+          .set('Origin', 'http://koajs.com')
+          .set('Access-Control-Request-Method', 'PUT')
+          .expect('Access-Control-Allow-Origin', '*')
+          .expect('Access-Control-Allow-Methods', 'GET,HEAD,PUT,POST,DELETE,PATCH')
+          .expect(204);
+      });
+
+      it('should not Preflight Request if request missing Access-Control-Request-Method', () => {
+        return request(server)
+          .options('/')
+          .set('Origin', 'http://koajs.com')
+          .expect(200);
+      });
+
+      it('should always set `Vary` to Origin', () => {
+        return request(server)
+          .get('/')
+          .set('Origin', 'http://koajs.com')
+          .expect('Vary', 'Origin')
+          .expect({ foo: 'bar' })
+          .expect(200);
+      });
+    });
+
+    describe('specific settings', () => {
+      let koa;
+      let server;
+
+      before(() => {
+        koa = new Koa();
+        const app = new App(koa);
+        app.addCorsSupportMiddleware({
+          allowOrigin: /emarsys\.(com|net)$/,
+          allowMethods: 'GET,POST'
+        });
+        koa.use(function(ctx) {
+          ctx.body = { foo: 'bar' };
+        });
+        server = koa.listen();
+      });
+
+      after(() => {
+        server.close();
+      });
+
+      it('should not set `Access-Control-Allow-Origin` when request Origin header missing', async () => {
+        const response = await request(server)
+          .get('/')
+          .expect({ foo: 'bar' })
+          .expect(200);
+        expect(response.headers['access-control-allow-origin']).to.be.undefined;
+      });
+
+      it('should not set `Access-Control-Allow-Origin` when request Origin does not match', async () => {
+        const response = await request(server)
+          .get('/')
+          .set('Origin', 'http://koajs.com')
+          .expect({ foo: 'bar' })
+          .expect(200);
+        expect(response.headers['access-control-allow-origin']).to.be.undefined;
+      });
+
+      it('should set `Access-Control-Allow-Origin` when request Origin match', () => {
+        return request(server)
+          .get('/')
+          .set('Origin', 'https://anyserver.emarsys.com')
+          .expect({ foo: 'bar' })
+          .expect('access-control-allow-origin', 'https://anyserver.emarsys.com')
+          .expect(200);
+      });
+
+      it('should 204 on Preflight Request', () => {
+        return request(server)
+          .options('/')
+          .set('Origin', 'https://anyserver.emarsys.com')
+          .set('Access-Control-Request-Method', 'GET,POST')
+          .expect('Access-Control-Allow-Origin', 'https://anyserver.emarsys.com')
+          .expect(204);
+      });
+
+      it('should 204 on Preflight Request for local development', () => {
+        return request(server)
+          .options('/')
+          .set('Origin', 'http://localhost:4000')
+          .set('Access-Control-Request-Method', 'GET,POST')
+          .expect('Access-Control-Allow-Origin', 'http://localhost:4000')
+          .expect(204);
+      });
+
+      it('should not Preflight Request if request Origin does not match', async () => {
+        const response = await request(server)
+          .options('/')
+          .set('Origin', 'http://koajs.com')
+          .expect(200);
+        expect(response.headers['access-control-allow-origin']).to.be.undefined;
+      });
+    });
+  });
+});
diff --git a/package-lock.json b/package-lock.json
index 9d86789..4ead7a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,9 +8,9 @@
       "name": "@emartech/boar-koa-server",
       "license": "MIT",
       "dependencies": {
+        "@koa/cors": "5.0.0",
         "app-root-path": "3.1.0",
         "deep-extend": "0.6.0",
-        "kcors": "2.2.2",
         "koa-bodyparser": "4.4.1",
         "koa-helmet": "7.0.2",
         "koa-methodoverride": "2.0.0",
@@ -22,10 +22,12 @@
         "chai": "4.3.7",
         "eslint": "8.44.0",
         "eslint-config-emarsys": "5.1.0",
+        "koa": "2.5.1",
         "mocha": "10.2.0",
         "npm": "9.8.0",
         "semantic-release": "21.0.7",
-        "sinon": "15.2.0"
+        "sinon": "15.2.0",
+        "supertest": "3.1.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -242,6 +244,17 @@
       "integrity": "sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==",
       "dev": true
     },
+    "node_modules/@koa/cors": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@koa/cors/-/cors-5.0.0.tgz",
+      "integrity": "sha512-x/iUDjcS90W69PryLDIMgFyV21YLTnG9zOpPXS7Bkt2b8AsY3zZsIpOLBkYr9fBcF3HbkKaER5hOBZLfpLgYNw==",
+      "dependencies": {
+        "vary": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 14.0.0"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -670,6 +683,19 @@
       "integrity": "sha512-Gj7cI7z+98M282Tqmp2K5EIsoouUEzbBJhQQzDE3jSIRk6r9gsz0oUokqIUR4u1R3dMHo0pDHM7sNOHyhulypw==",
       "dev": true
     },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "dev": true,
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/acorn": {
       "version": "8.10.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.10.0.tgz",
@@ -801,6 +827,12 @@
       "integrity": "sha512-QXu7BPrP29VllRxH8GwB7x5iX5qWKAAMLqKQGWTeLWVlNHNOpVMJ91dsxQAIWXpjuW5wqvxu3Jd/nRjrJ+0pqg==",
       "dev": true
     },
+    "node_modules/any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha512-7UvmKalWRt1wgjL1RrGxoSJW/0QZFIegpeGvZG9kjp8vrRu55XTHbwnqq2GpXm9uLbcuhxm3IqX9OB4MZR1b2A==",
+      "dev": true
+    },
     "node_modules/anymatch": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
@@ -858,6 +890,12 @@
         "node": "*"
       }
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "dev": true
+    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -1116,6 +1154,16 @@
         "wrap-ansi": "^7.0.0"
       }
     },
+    "node_modules/co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+      "integrity": "sha512-QVb0dM5HvG+uaxitm8wONl7jltx8dqhfU33DcqtOZcLSVIKSDDLDi7+0LbAKiyI8hD9u42m2YxXSkMGWThaecQ==",
+      "dev": true,
+      "engines": {
+        "iojs": ">= 1.0.0",
+        "node": ">= 0.12.0"
+      }
+    },
     "node_modules/co-body": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/co-body/-/co-body-6.1.0.tgz",
@@ -1145,6 +1193,18 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dev": true,
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/compare-func": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/compare-func/-/compare-func-2.0.0.tgz",
@@ -1155,6 +1215,15 @@
         "dot-prop": "^5.1.0"
       }
     },
+    "node_modules/component-emitter": {
+      "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",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -1171,6 +1240,47 @@
         "proto-list": "~1.2.1"
       }
     },
+    "node_modules/content-disposition": {
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+      "dev": true,
+      "dependencies": {
+        "safe-buffer": "5.2.1"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/content-disposition/node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/content-type": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+      "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/conventional-changelog-angular": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-6.0.0.tgz",
@@ -1235,6 +1345,34 @@
         "node": ">=14"
       }
     },
+    "node_modules/cookiejar": {
+      "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": {
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.7.3.tgz",
+      "integrity": "sha512-+gixgxYSgQLTaTIilDHAdlNPZDENDQernEMiIcZpYYP14zgHsCt4Ce1FEjFtcp6GefhozebB6orvhAAWx/IS0A==",
+      "dev": true,
+      "dependencies": {
+        "depd": "~1.1.2",
+        "keygrip": "~1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/cookies/node_modules/depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha512-7emPTl6Dpo6JRXOXjLRxck+FlLRX5847cLKEn00PLAgc3g2hTZZgr+e4c2v6QpSmLeFP3n5yUo7ft6avBK/5jQ==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/copy-to": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/copy-to/-/copy-to-2.0.1.tgz",
@@ -1373,6 +1511,12 @@
         "node": ">=6"
       }
     },
+    "node_modules/deep-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
+      "integrity": "sha512-bHtC0iYvWhyaTzvV3CZgPeZQqCOBGyGsVV7v4eevpdkLHfiSrXUdBG+qAuSz4RI70sszvjQ1QSZ98An1yNwpSw==",
+      "dev": true
+    },
     "node_modules/deep-extend": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
@@ -1387,6 +1531,21 @@
       "integrity": "sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==",
       "dev": true
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ==",
+      "dev": true
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -1401,6 +1560,16 @@
       "integrity": "sha512-xmHIy4F3scKVwMsQ4WnVaS8bHOx0DmVwRywosKhaILI0ywMDWPtBSku2HNxRvF7jtwDRsoEwYQSfbxj8b7RlJQ==",
       "dev": true
     },
+    "node_modules/destroy": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
+      "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
     "node_modules/diff": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
@@ -1455,6 +1624,12 @@
         "readable-stream": "^2.0.2"
       }
     },
+    "node_modules/ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==",
+      "dev": true
+    },
     "node_modules/emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -1483,6 +1658,12 @@
         "is-arrayish": "^0.2.1"
       }
     },
+    "node_modules/error-inject": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/error-inject/-/error-inject-1.0.0.tgz",
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@@ -10403,6 +11129,65 @@
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+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.5.1.tgz",
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+      "requires": {
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+        "content-disposition": "~0.5.0",
+        "content-type": "^1.0.0",
+        "cookies": "~0.7.0",
+        "debug": "*",
+        "delegates": "^1.0.0",
+        "depd": "^1.1.0",
+        "destroy": "^1.0.3",
+        "error-inject": "~1.0.0",
+        "escape-html": "~1.0.1",
+        "fresh": "^0.5.2",
+        "http-assert": "^1.1.0",
+        "http-errors": "^1.2.8",
+        "is-generator-function": "^1.0.3",
+        "koa-compose": "^4.0.0",
+        "koa-convert": "^1.2.0",
+        "koa-is-json": "^1.0.0",
+        "mime-types": "^2.0.7",
+        "on-finished": "^2.1.0",
+        "only": "0.0.2",
+        "parseurl": "^1.3.0",
+        "statuses": "^1.2.0",
+        "type-is": "^1.5.5",
+        "vary": "^1.0.0"
+      },
+      "dependencies": {
+        "depd": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
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+        },
+        "http-errors": {
+          "version": "1.8.1",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.8.1.tgz",
+          "integrity": "sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==",
+          "dev": true,
+          "requires": {
+            "depd": "~1.1.2",
+            "inherits": "2.0.4",
+            "setprototypeof": "1.2.0",
+            "statuses": ">= 1.5.0 < 2",
+            "toidentifier": "1.0.1"
+          }
+        },
+        "statuses": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA==",
+          "dev": true
+        }
+      }
+    },
     "koa-bodyparser": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/koa-bodyparser/-/koa-bodyparser-4.4.1.tgz",
@@ -10418,6 +11203,27 @@
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     },
+    "koa-convert": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/koa-convert/-/koa-convert-1.2.0.tgz",
+      "integrity": "sha512-K9XqjmEDStGX09v3oxR7t5uPRy0jqJdvodHa6wxWTHrTfDq0WUNnYTOOUZN6g8OM8oZQXprQASbiIXG2Ez8ehA==",
+      "dev": true,
+      "requires": {
+        "co": "^4.6.0",
+        "koa-compose": "^3.0.0"
+      },
+      "dependencies": {
+        "koa-compose": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/koa-compose/-/koa-compose-3.2.1.tgz",
+          "integrity": "sha512-8gen2cvKHIZ35eDEik5WOo8zbVp9t4cP8p4hW4uE55waxolLRexKKrqfCpwhGVppnB40jWeF8bZeTVg99eZgPw==",
+          "dev": true,
+          "requires": {
+            "any-promise": "^1.1.0"
+          }
+        }
+      }
+    },
     "koa-helmet": {
       "version": "7.0.2",
       "resolved": "https://registry.npmjs.org/koa-helmet/-/koa-helmet-7.0.2.tgz",
@@ -10426,6 +11232,12 @@
         "helmet": "^6.0.1"
       }
     },
+    "koa-is-json": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/koa-is-json/-/koa-is-json-1.0.0.tgz",
+      "integrity": "sha512-+97CtHAlWDx0ndt0J8y3P12EWLwTLMXIfMnYDev3wOTwH/RpBGMlfn4bDXlMEg1u73K6XRE9BbUp+5ZAYoRYWw==",
+      "dev": true
+    },
     "koa-methodoverride": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/koa-methodoverride/-/koa-methodoverride-2.0.0.tgz",
@@ -10747,9 +11559,9 @@
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-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
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+          "version": "5.7.2",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
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@@ -10931,6 +11743,12 @@
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       "dev": true
     },
+    "negotiator": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "dev": true
+    },
     "neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -13130,6 +13948,15 @@
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     },
+    "on-finished": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
+      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
+      "dev": true,
+      "requires": {
+        "ee-first": "1.1.1"
+      }
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -13148,6 +13975,12 @@
         "mimic-fn": "^4.0.0"
       }
     },
+    "only": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/only/-/only-0.0.2.tgz",
+      "integrity": "sha512-Fvw+Jemq5fjjyWz6CpKx6w9s7xxqo3+JCyM0WXWeCSOboZ8ABkyvP8ID4CZuChA/wxSx+XSJmdOm8rGVyJ1hdQ==",
+      "dev": true
+    },
     "optionator": {
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       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.3.tgz",
@@ -13243,6 +14076,12 @@
         "lines-and-columns": "^1.1.6"
       }
     },
+    "parseurl": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
+      "dev": true
+    },
     "path-exists": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -14122,6 +14961,51 @@
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       "dev": true
     },
+    "superagent": {
+      "version": "3.8.2",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-3.8.2.tgz",
+      "integrity": "sha512-gVH4QfYHcY3P0f/BZzavLreHW3T1v7hG9B+hpMQotGQqurOvhv87GcMCd6LWySmBuf+BDR44TQd0aISjVHLeNQ==",
+      "dev": true,
+      "requires": {
+        "component-emitter": "^1.2.0",
+        "cookiejar": "^2.1.0",
+        "debug": "^3.1.0",
+        "extend": "^3.0.0",
+        "form-data": "^2.3.1",
+        "formidable": "^1.1.1",
+        "methods": "^1.1.1",
+        "mime": "^1.4.1",
+        "qs": "^6.5.1",
+        "readable-stream": "^2.0.5"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "mime": {
+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
+          "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
+          "dev": true
+        }
+      }
+    },
+    "supertest": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-3.1.0.tgz",
+      "integrity": "sha512-O44AMnmJqx294uJQjfUmEyYOg7d9mylNFsMw/Wkz4evKd1njyPrtCN+U6ZIC7sKtfEVQhfTqFFijlXx8KP/Czw==",
+      "dev": true,
+      "requires": {
+        "methods": "~1.1.2",
+        "superagent": "3.8.2"
+      }
+    },
     "supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -14322,6 +15206,11 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+    },
     "webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
diff --git a/package.json b/package.json
index b743c19..4df2c9a 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   },
   "scripts": {
     "code-style": "eslint '**/*.js'",
-    "test-run": "mocha ./lib --recursive",
+    "test-run": "mocha ./app ./lib --recursive",
     "audit": "npm audit",
     "test": "npm run test-run && npm run audit --omit=dev && npm run code-style",
     "release": "CI=true semantic-release"
@@ -28,7 +28,7 @@
   "dependencies": {
     "app-root-path": "3.1.0",
     "deep-extend": "0.6.0",
-    "kcors": "2.2.2",
+    "@koa/cors": "5.0.0",
     "koa-bodyparser": "4.4.1",
     "koa-helmet": "7.0.2",
     "koa-methodoverride": "2.0.0",
@@ -47,9 +47,11 @@
     "chai": "4.3.7",
     "eslint": "8.44.0",
     "eslint-config-emarsys": "5.1.0",
+    "koa": "2.5.1",
     "mocha": "10.2.0",
+    "npm": "9.8.0",
     "semantic-release": "21.0.7",
     "sinon": "15.2.0",
-    "npm": "9.8.0"
+    "supertest": "6.3.3"
   }
-}
\ No newline at end of file
+}