diff --git a/package-lock.json b/package-lock.json
index faad1de..2f8a8e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4065,12 +4065,19 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
     "cookies": {
-      "version": "0.7.3",
-      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.7.3.tgz",
-      "integrity": "sha512-+gixgxYSgQLTaTIilDHAdlNPZDENDQernEMiIcZpYYP14zgHsCt4Ce1FEjFtcp6GefhozebB6orvhAAWx/IS0A==",
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.8.0.tgz",
+      "integrity": "sha512-8aPsApQfebXnuI+537McwYsDtjVxGm8gTIzQI3FDW6t5t/DAhERxtnbEPN/8RX+uZthoz4eCOgloXaE5cYyNow==",
       "requires": {
-        "depd": "~1.1.2",
-        "keygrip": "~1.0.3"
+        "depd": "~2.0.0",
+        "keygrip": "~1.1.0"
+      },
+      "dependencies": {
+        "depd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+          "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+        }
       }
     },
     "copy-descriptor": {
@@ -4582,11 +4589,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "error-inject": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/error-inject/-/error-inject-1.0.0.tgz",
-      "integrity": "sha1-4rPZG1Su1nLzCdlQ0VSFD6EdTzc="
-    },
     "es-abstract": {
       "version": "1.14.2",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.14.2.tgz",
@@ -7574,9 +7576,12 @@
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     },
     "keygrip": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/keygrip/-/keygrip-1.0.3.tgz",
-      "integrity": "sha512-/PpesirAIfaklxUzp4Yb7xBper9MwP6hNRA6BGGUFCgbJ+BM5CKBtsoxinNXkLHAr+GXS1/lSlF2rP7cv5Fl+g=="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/keygrip/-/keygrip-1.1.0.tgz",
+      "integrity": "sha512-iYSchDJ+liQ8iwbSI2QqsQOvqv58eJCEanyJPJi+Khyu8smkcKSFUCbPwzFcL7YVtZ6eONjqRX/38caJ7QjRAQ==",
+      "requires": {
+        "tsscmp": "1.0.6"
+      }
     },
     "keyv": {
       "version": "3.1.0",
@@ -7601,20 +7606,20 @@
       "dev": true
     },
     "koa": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.8.1.tgz",
-      "integrity": "sha512-iCgjRkntcVud5amnioi+79r7TPVhKPfCY8UzL9GjyU+nIWTE9xsqyrJ6kib3InT9JYRyUu9Y67i5apCjf997TQ==",
+      "version": "2.13.0",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.13.0.tgz",
+      "integrity": "sha512-i/XJVOfPw7npbMv67+bOeXr3gPqOAw6uh5wFyNs3QvJ47tUx3M3V9rIE0//WytY42MKz4l/MXKyGkQ2LQTfLUQ==",
       "requires": {
         "accepts": "^1.3.5",
         "cache-content-type": "^1.0.0",
         "content-disposition": "~0.5.2",
         "content-type": "^1.0.4",
-        "cookies": "~0.7.1",
+        "cookies": "~0.8.0",
         "debug": "~3.1.0",
         "delegates": "^1.0.0",
         "depd": "^1.1.2",
         "destroy": "^1.0.4",
-        "error-inject": "^1.0.0",
+        "encodeurl": "^1.0.2",
         "escape-html": "^1.0.3",
         "fresh": "~0.5.2",
         "http-assert": "^1.3.0",
@@ -7622,7 +7627,6 @@
         "is-generator-function": "^1.0.7",
         "koa-compose": "^4.1.0",
         "koa-convert": "^1.2.0",
-        "koa-is-json": "^1.0.0",
         "on-finished": "^2.3.0",
         "only": "~0.0.2",
         "parseurl": "^1.3.2",
@@ -7685,11 +7689,6 @@
       "resolved": "https://registry.npmjs.org/koa-cors/-/koa-cors-0.0.16.tgz",
       "integrity": "sha1-mBB5k6eQnjTAQphsXsYVbXfzQy4="
     },
-    "koa-is-json": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/koa-is-json/-/koa-is-json-1.0.0.tgz",
-      "integrity": "sha1-JzwH7c3Ljfaiwat9We52SRRR7BQ="
-    },
     "koa-router": {
       "version": "7.4.0",
       "resolved": "https://registry.npmjs.org/koa-router/-/koa-router-7.4.0.tgz",
@@ -11348,6 +11347,11 @@
         }
       }
     },
+    "tsscmp": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/tsscmp/-/tsscmp-1.0.6.tgz",
+      "integrity": "sha512-LxhtAkPDTkVCMQjt2h6eBVY28KCjikZqZfMcC15YBeNjkgUpdCfBu5HoiOTDu86v6smE8yOjyEktJ8hlbANHQA=="
+    },
     "tsutils": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-1.9.1.tgz",
diff --git a/package.json b/package.json
index 46a76cf..b2d2726 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@types/ws": "^6.0.1",
     "buffer-to-stream": "^1.0.0",
     "debug": "^4.1.1",
-    "koa": "^2.7.0",
+    "koa": "^2.13.0",
     "koa-session": "^5.12.2",
     "koa-static-server": "^1.4.0",
     "mashlib": "^1.0.0",