diff --git a/libSM.yaml b/libSM.yaml
new file mode 100644
index 0000000..a26f14b
--- /dev/null
+++ b/libSM.yaml
@@ -0,0 +1,5 @@
+version_control: git
+src_repo: https://gitlab.freedesktop.org/xorg/lib/libsm.git
+tag_prefix: libSM-
+seperator: "."
+