diff --git a/lib/jquery-ui-bootstrap/package.json b/lib/jquery-ui-bootstrap/package.json
index a3efd87b..ddd4c71a 100644
--- a/lib/jquery-ui-bootstrap/package.json
+++ b/lib/jquery-ui-bootstrap/package.json
@@ -3,6 +3,6 @@
 	"version": "1.0.0-alpha",
 	"dependencies": {
 		"less": "latest",
-		"express": "~3.3.0"
+		"express": "~4.17.1"
 	}
 }