diff --git a/_config b/_config
index 5e5dc6b..7562944 100644
--- a/_config
+++ b/_config
@@ -1,5 +1,6 @@
 
 BuildFlags: setvcs
+BuildFlags: slsaversion:v1
 
 Release: <CI_CNT>.<B_CNT> spec:slfo.1.<CI_CNT>.<B_CNT>
 
@@ -24,6 +25,9 @@ BuildFlags: vmfstype:ext4
 # nodirindex enabled 2020-12-31 - https://github.com/openSUSE/obs-build/pull/634
 BuildFlags: vmfsoptions:nodirindex
 
+# Setup defaults for product composer builds
+Substitute: system-packages:productcompose product-composer package-translations perl-YAML-LibYAML
+
 # Help with the switch to the gcc<n> provided libs:
 # Do not use the -gcc12 variants if different providers exist
 Prefer: -libasan8-gcc12