diff --git a/package.json b/package.json
index 4be53466d..abdf026f6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "@types/cheerio": "0.22.22",
     "@types/got": "9.6.11",
-    "@types/koa": "2.11.4",
+    "@types/koa": "2.11.5",
     "@vuepress/plugin-back-to-top": "1.6.0",
     "@vuepress/plugin-google-analytics": "1.6.0",
     "@vuepress/plugin-pwa": "1.6.0",
diff --git a/yarn.lock b/yarn.lock
index 262f7221b..a856f4b4b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1666,10 +1666,10 @@
   dependencies:
     "@types/koa" "*"
 
-"@types/koa@*", "@types/koa@2.11.4":
-  version "2.11.4"
-  resolved "https://registry.yarnpkg.com/@types/koa/-/koa-2.11.4.tgz#8af02a069a9f8e08fa47b8da28d982e652f69cfb"
-  integrity sha512-Etqs0kdqbuAsNr5k6mlZQelpZKVwMu9WPRHVVTLnceZlhr0pYmblRNJbCgoCMzKWWePldydU0AYEOX4Q9fnGUQ==
+"@types/koa@*", "@types/koa@2.11.5":
+  version "2.11.5"
+  resolved "https://registry.yarnpkg.com/@types/koa/-/koa-2.11.5.tgz#a2b81382bf65d72bdc3bd906abdee259fefdebc2"
+  integrity sha512-egP+ceD3+v9PnFW+DLTFO8mt6wa5sDqfGOBIwOAZ61Wzsq4bGZc5kMpJgcCwq7ARGIBfHBY+KkK/1RsMftV/qQ==
   dependencies:
     "@types/accepts" "*"
     "@types/content-disposition" "*"