diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..3c3d3722
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/zdoc"]
+	path = themes/zdoc
+	url = https://github.com/zzossig/hugo-theme-zdoc.git
diff --git a/themes/zdoc b/themes/zdoc
new file mode 160000
index 00000000..8952855e
--- /dev/null
+++ b/themes/zdoc
@@ -0,0 +1 @@
+Subproject commit 8952855edecb0d44d4429eeed4012ffd01cd810e