diff --git a/package.json b/package.json
index 20d774bd6..587335a91 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
 		"@types/is-url": "1.2.28",
 		"@types/js-yaml": "3.11.2",
 		"@types/katex": "0.5.0",
-		"@types/koa": "2.0.46",
+		"@types/koa": "2.0.47",
 		"@types/koa-bodyparser": "5.0.1",
 		"@types/koa-compress": "2.0.8",
 		"@types/koa-favicon": "2.0.19",