diff --git a/package-lock.json b/package-lock.json
index e104be4..bf7b52b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@koa/router": "^10.1.1",
         "amf-client-js": "^5.0.0-SEMANTIC-JSONSCHEMA.6",
         "fs-extra": "^10.0.0",
-        "koa": "^2.13.4",
+        "koa": "^2.15.4",
         "tmp-promise": "^3.0.3",
         "unzipper": "^0.10.11",
         "uuid": "^8.3.2"
@@ -2013,9 +2013,10 @@
       }
     },
     "node_modules/cookies": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.8.0.tgz",
-      "integrity": "sha512-8aPsApQfebXnuI+537McwYsDtjVxGm8gTIzQI3FDW6t5t/DAhERxtnbEPN/8RX+uZthoz4eCOgloXaE5cYyNow==",
+      "version": "0.9.1",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.9.1.tgz",
+      "integrity": "sha512-TG2hpqe4ELx54QER/S3HQ9SRVnQnGBtKUz5bLQWtYAQ+o6GpgMs6sYUvaiJjVxb+UXwhRhAEP3m7LbsIZ77Hmw==",
+      "license": "MIT",
       "dependencies": {
         "depd": "~2.0.0",
         "keygrip": "~1.1.0"
@@ -2028,6 +2029,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
       "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.8"
       }
@@ -3857,6 +3859,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/keygrip/-/keygrip-1.1.0.tgz",
       "integrity": "sha512-iYSchDJ+liQ8iwbSI2QqsQOvqv58eJCEanyJPJi+Khyu8smkcKSFUCbPwzFcL7YVtZ6eONjqRX/38caJ7QjRAQ==",
+      "license": "MIT",
       "dependencies": {
         "tsscmp": "1.0.6"
       },
@@ -3874,15 +3877,16 @@
       }
     },
     "node_modules/koa": {
-      "version": "2.13.4",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.13.4.tgz",
-      "integrity": "sha512-43zkIKubNbnrULWlHdN5h1g3SEKXOEzoAlRsHOTFpnlDu8JlAOZSMJBLULusuXRequboiwJcj5vtYXKB3k7+2g==",
+      "version": "2.15.4",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.15.4.tgz",
+      "integrity": "sha512-7fNBIdrU2PEgLljXoPWoyY4r1e+ToWCmzS/wwMPbUNs7X+5MMET1ObhJBlUkF5uZG9B6QhM2zS1TsH6adegkiQ==",
+      "license": "MIT",
       "dependencies": {
         "accepts": "^1.3.5",
         "cache-content-type": "^1.0.0",
         "content-disposition": "~0.5.2",
         "content-type": "^1.0.4",
-        "cookies": "~0.8.0",
+        "cookies": "~0.9.0",
         "debug": "^4.3.2",
         "delegates": "^1.0.0",
         "depd": "^2.0.0",
@@ -5871,6 +5875,7 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/tsscmp/-/tsscmp-1.0.6.tgz",
       "integrity": "sha512-LxhtAkPDTkVCMQjt2h6eBVY28KCjikZqZfMcC15YBeNjkgUpdCfBu5HoiOTDu86v6smE8yOjyEktJ8hlbANHQA==",
+      "license": "MIT",
       "engines": {
         "node": ">=0.6.x"
       }
@@ -7865,9 +7870,9 @@
       }
     },
     "cookies": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.8.0.tgz",
-      "integrity": "sha512-8aPsApQfebXnuI+537McwYsDtjVxGm8gTIzQI3FDW6t5t/DAhERxtnbEPN/8RX+uZthoz4eCOgloXaE5cYyNow==",
+      "version": "0.9.1",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.9.1.tgz",
+      "integrity": "sha512-TG2hpqe4ELx54QER/S3HQ9SRVnQnGBtKUz5bLQWtYAQ+o6GpgMs6sYUvaiJjVxb+UXwhRhAEP3m7LbsIZ77Hmw==",
       "requires": {
         "depd": "~2.0.0",
         "keygrip": "~1.1.0"
@@ -9227,15 +9232,15 @@
       "dev": true
     },
     "koa": {
-      "version": "2.13.4",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.13.4.tgz",
-      "integrity": "sha512-43zkIKubNbnrULWlHdN5h1g3SEKXOEzoAlRsHOTFpnlDu8JlAOZSMJBLULusuXRequboiwJcj5vtYXKB3k7+2g==",
+      "version": "2.15.4",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.15.4.tgz",
+      "integrity": "sha512-7fNBIdrU2PEgLljXoPWoyY4r1e+ToWCmzS/wwMPbUNs7X+5MMET1ObhJBlUkF5uZG9B6QhM2zS1TsH6adegkiQ==",
       "requires": {
         "accepts": "^1.3.5",
         "cache-content-type": "^1.0.0",
         "content-disposition": "~0.5.2",
         "content-type": "^1.0.4",
-        "cookies": "~0.8.0",
+        "cookies": "~0.9.0",
         "debug": "^4.3.2",
         "delegates": "^1.0.0",
         "depd": "^2.0.0",
diff --git a/package.json b/package.json
index 1a2bbbd..383ecb7 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@koa/router": "^10.1.1",
     "amf-client-js": "^5.0.0-SEMANTIC-JSONSCHEMA.6",
     "fs-extra": "^10.0.0",
-    "koa": "^2.13.4",
+    "koa": "^2.15.4",
     "tmp-promise": "^3.0.3",
     "unzipper": "^0.10.11",
     "uuid": "^8.3.2"