diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..10cca67
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/reveal-hugo"]
+	path = themes/reveal-hugo
+	url = https://github.com/dzello/reveal-hugo