diff --git a/.gitmodules b/.gitmodules
index 1025a5a..0c55241 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "themes/hugo-hero-theme"]
 	path = themes/hugo-hero-theme
 	url = git@github.com:seuh2022/hugo-hero-theme.git
+	branch = master