diff --git a/distro/obs-project.conf b/distro/obs-project.conf
new file mode 100644
index 000000000..ab0a628b0
--- /dev/null
+++ b/distro/obs-project.conf
@@ -0,0 +1,11 @@
+# OBS Project Configuration for home:AvengeMedia:dms / home:AvengeMedia:dms-git
+# OBS project metadata (prjconf)
+# To apply changes: osc meta prjconf home:AvengeMedia:dms -F distro/obs-project.conf
+#                   osc meta prjconf home:AvengeMedia:dms-git -F distro/obs-project.conf
+
+# Debian sid (dpkg 1.23) dropped the `tar` dependency from dpkg-dev, so tar no
+# longer lands in the OBS buildroot preinstall set and dpkg fails on the first
+# package install with "'tar' not found in PATH". Force-preinstall it.
+%if "%{?_repository}" == "Debian_Unstable"
+Preinstall: tar
+%endif