diff --git a/package.json b/package.json
index 88574002..7ad9b078 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
 	},
 	"devDependencies": {
 		"typescript-document": "0.0.5",
-		"astro": "4.5.8",
+		"astro": "4.5.9",
 		"typescript-esbuild": "0.4.5"
 	},
 	"publishConfig": {