diff --git a/deliverables/caracal/oslo.concurrency.yaml b/deliverables/caracal/oslo.concurrency.yaml
index d57df83af3..ac6d60804f 100644
--- a/deliverables/caracal/oslo.concurrency.yaml
+++ b/deliverables/caracal/oslo.concurrency.yaml
@@ -11,3 +11,7 @@ releases:
     projects:
       - repo: openstack/oslo.concurrency
         hash: bd9610562215509df47024817af6244bcc05b2a0
+  - version: 6.0.0
+    projects:
+      - repo: openstack/oslo.concurrency
+        hash: 53709baa928baad9845bf9f7a20f36284bebe091