diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..4020711c1a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "content/themes/casper"]
+	path = content/themes/casper
+	url = git@github.com:TryGhost/Casper.git
diff --git a/content/themes/casper b/content/themes/casper
new file mode 160000
index 0000000000..151f5d3f4c
--- /dev/null
+++ b/content/themes/casper
@@ -0,0 +1 @@
+Subproject commit 151f5d3f4c3b613a283a0733ffd1f97f403f477c