diff --git a/deliverables/wallaby/mistral.yaml b/deliverables/wallaby/mistral.yaml
index 828be506d1..57088fc1aa 100644
--- a/deliverables/wallaby/mistral.yaml
+++ b/deliverables/wallaby/mistral.yaml
@@ -6,3 +6,11 @@ team: mistral
 type: service
 repository-settings:
   openstack/mistral: {}
+releases:
+  - version: 12.0.0.0rc1
+    projects:
+      - repo: openstack/mistral
+        hash: 3c83837f6ce1e4ab74fb519a63e82eaae70f9d2d
+branches:
+  - name: stable/wallaby
+    location: 12.0.0.0rc1