diff --git a/packages/astro-integration/package.json b/packages/astro-integration/package.json
index cf53d4e..fad2900 100644
--- a/packages/astro-integration/package.json
+++ b/packages/astro-integration/package.json
@@ -28,7 +28,7 @@
 	"devDependencies": {
 		"astro": "5.12.9",
 		"publint": "0.3.12",
-		"tsdown": "0.14.2",
+		"tsdown": "0.16.5",
 		"typescript": "5.9.2"
 	},
 	"peerDependencies": {