diff --git a/inventory/host_vars/branched-composer.phx2.fedoraproject.org b/inventory/host_vars/branched-composer.phx2.fedoraproject.org
index a1848501dd..38c14764fe 100644
--- a/inventory/host_vars/branched-composer.phx2.fedoraproject.org
+++ b/inventory/host_vars/branched-composer.phx2.fedoraproject.org
@@ -23,6 +23,7 @@ fedmsg_certs:
   - pungi.compose.createiso.targets
   - pungi.compose.createiso.imagefail
   - pungi.compose.createiso.imagedone
+  - pungi.compose.ostree
   - compose.branched.complete
   - compose.branched.mash.complete
   - compose.branched.mash.start