diff --git a/lvspec.cls b/lvspec.cls
index cbcb144..d29db27 100644
--- a/lvspec.cls
+++ b/lvspec.cls
@@ -32,6 +32,7 @@
 \RequirePackage{amssymb}
 \RequirePackage{multirow}
 \RequirePackage{task}
+\RequirePackage{booktabs}
 
 
 % default hyperlink color