diff --git a/package.json b/package.json
index 1518923..9e9e645 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
 	},
 	"devDependencies": {
 		"typescript-document": "0.0.6",
-		"typescript-esbuild": "0.4.8"
+		"typescript-esbuild": "0.4.9"
 	},
 	"publishConfig": {
 		"access": "public"