diff --git a/packages/astro-og/package.json b/packages/astro-og/package.json
index 0057c16..e182b15 100644
--- a/packages/astro-og/package.json
+++ b/packages/astro-og/package.json
@@ -40,7 +40,7 @@
 		"@typescript/native-preview": "7.0.0-dev.20260115.1",
 		"astro": "5.16.9",
 		"publint": "0.3.17",
-		"tsdown": "0.20.0-beta.3"
+		"tsdown": "0.21.1"
 	},
 	"peerDependencies": {
 		"astro": ">=5.0.0"