diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..147405d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "poison"]
+	path = themes/poison
+	url = https://github.com/lukeorth/poison.git
diff --git a/themes/poison b/themes/poison
new file mode 160000
index 0000000..86b8cf1
--- /dev/null
+++ b/themes/poison
@@ -0,0 +1 @@
+Subproject commit 86b8cf1abf99ec36c663c5801503475d3b2a95bc