diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5b5c33b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "guenther"]
+	path = guenther
+	url = https://git.patanix.de/git/guenther
diff --git a/guenther b/guenther
new file mode 160000
index 0000000..72635dc
--- /dev/null
+++ b/guenther
@@ -0,0 +1 @@
+Subproject commit 72635dc7b95cf4c8634bd57eb94808996868cf2c