diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6445e67
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "blog/themes/hugo-coder"]
+	path = blog/themes/hugo-coder
+	url = https://github.com/luizdepra/hugo-coder.git
diff --git a/blog/themes/hugo-coder b/blog/themes/hugo-coder
new file mode 160000
index 0000000..37d519d
--- /dev/null
+++ b/blog/themes/hugo-coder
@@ -0,0 +1 @@
+Subproject commit 37d519d6a964cf15ff5c97553a1b460da8049316