diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..750f831
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "private"]
+	path = private
+	url = https://git.2martens.de/2martens/masterthesis-private
diff --git a/private b/private
new file mode 160000
index 0000000..6ceff87
--- /dev/null
+++ b/private
@@ -0,0 +1 @@
+Subproject commit 6ceff870387ed63f0a98b3f98ff75c5b7240b65e