diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..86daea2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "upstream"]
+	path = upstream
+	url = https://github.com/openSUSE/libzypp.git
diff --git a/upstream b/upstream
new file mode 160000
index 0000000..8b5d5f8
--- /dev/null
+++ b/upstream
@@ -0,0 +1 @@
+Subproject commit 8b5d5f8a897a51d7d1adefe9d5602be9be56cdbe