diff --git a/package.json b/package.json
index df0a53e30b..71d261387e 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
 		"jsonld": "8.3.3",
 		"jsrsasign": "11.1.0",
 		"katex": "0.16.19",
-		"koa": "2.14.2",
+		"koa": "2.15.3",
 		"koa-bodyparser": "4.4.1",
 		"koa-favicon": "2.1.0",
 		"koa-logger": "3.2.1",
@@ -211,7 +211,7 @@
 		"@types/jsdom": "21.1.1",
 		"@types/jsonld": "1.5.15",
 		"@types/katex": "0.16.7",
-		"@types/koa": "2.13.12",
+		"@types/koa": "2.15.0",
 		"@types/koa-bodyparser": "4.3.12",
 		"@types/koa-cors": "0.0.6",
 		"@types/koa-favicon": "2.1.3",
diff --git a/yarn.lock b/yarn.lock
index 724966e766..cd5c489ecd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1164,7 +1164,7 @@
   dependencies:
     "@types/koa" "*"
 
-"@types/koa@*", "@types/koa@2.13.12":
+"@types/koa@*":
   version "2.13.12"
   resolved "https://registry.yarnpkg.com/@types/koa/-/koa-2.13.12.tgz#70d87a9061a81909e0ee11ca50168416e8d3e795"
   integrity sha512-vAo1KuDSYWFDB4Cs80CHvfmzSQWeUb909aQib0C0aFx4sw0K9UZFz2m5jaEP+b3X1+yr904iQiruS0hXi31jbw==
@@ -1178,6 +1178,20 @@
     "@types/koa-compose" "*"
     "@types/node" "*"
 
+"@types/koa@2.15.0":
+  version "2.15.0"
+  resolved "https://registry.yarnpkg.com/@types/koa/-/koa-2.15.0.tgz#eca43d76f527c803b491731f95df575636e7b6f2"
+  integrity sha512-7QFsywoE5URbuVnG3loe03QXuGajrnotr3gQkXcEBShORai23MePfFYdhz90FEtBBpkyIYQbVD+evKtloCgX3g==
+  dependencies:
+    "@types/accepts" "*"
+    "@types/content-disposition" "*"
+    "@types/cookies" "*"
+    "@types/http-assert" "*"
+    "@types/http-errors" "*"
+    "@types/keygrip" "*"
+    "@types/koa-compose" "*"
+    "@types/node" "*"
+
 "@types/koa__cors@5.0.0":
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/@types/koa__cors/-/koa__cors-5.0.0.tgz#74567a045b599266e2cd3940cef96cedecc2ef1f"
@@ -3110,10 +3124,10 @@ cookie-es@^1.2.2:
   resolved "https://registry.yarnpkg.com/cookie-es/-/cookie-es-1.2.2.tgz#18ceef9eb513cac1cb6c14bcbf8bdb2679b34821"
   integrity sha512-+W7VmiVINB+ywl1HGXJXmrqkOhpKrIiVZV6tQuV54ZyQC7MMuBt81Vc336GMLoHBq5hV/F9eXgt5Mnx0Rha5Fg==
 
-cookies@~0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/cookies/-/cookies-0.8.0.tgz#1293ce4b391740a8406e3c9870e828c4b54f3f90"
-  integrity sha512-8aPsApQfebXnuI+537McwYsDtjVxGm8gTIzQI3FDW6t5t/DAhERxtnbEPN/8RX+uZthoz4eCOgloXaE5cYyNow==
+cookies@~0.9.0:
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/cookies/-/cookies-0.9.1.tgz#3ffed6f60bb4fb5f146feeedba50acc418af67e3"
+  integrity sha512-TG2hpqe4ELx54QER/S3HQ9SRVnQnGBtKUz5bLQWtYAQ+o6GpgMs6sYUvaiJjVxb+UXwhRhAEP3m7LbsIZ77Hmw==
   dependencies:
     depd "~2.0.0"
     keygrip "~1.1.0"
@@ -6164,16 +6178,16 @@ koa-views@8.0.0:
     pretty "^2.0.0"
     resolve-path "^1.4.0"
 
-koa@2.14.2:
-  version "2.14.2"
-  resolved "https://registry.yarnpkg.com/koa/-/koa-2.14.2.tgz#a57f925c03931c2b4d94b19d2ebf76d3244863fc"
-  integrity sha512-VFI2bpJaodz6P7x2uyLiX6RLYpZmOJqNmoCst/Yyd7hQlszyPwG/I9CQJ63nOtKSxpt5M7NH67V6nJL2BwCl7g==
+koa@2.15.3:
+  version "2.15.3"
+  resolved "https://registry.yarnpkg.com/koa/-/koa-2.15.3.tgz#062809266ee75ce0c75f6510a005b0e38f8c519a"
+  integrity sha512-j/8tY9j5t+GVMLeioLaxweJiKUayFhlGqNTzf2ZGwL0ZCQijd2RLHK0SLW5Tsko8YyyqCZC2cojIb0/s62qTAg==
   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"