diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a46f82e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "sose2020/ana/lectures"]
+	path = sose2020/ana/lectures
+	url = gitea:christian/ana-lecture