diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ab75874
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/hello-friend"]
+	path = themes/hello-friend
+	url = https://github.com/panr/hugo-theme-hello-friend.git
diff --git a/themes/hello-friend b/themes/hello-friend
new file mode 160000
index 0000000..cf5e597
--- /dev/null
+++ b/themes/hello-friend
@@ -0,0 +1 @@
+Subproject commit cf5e59749143e6bd32444c5d35f4992399a1e7da