diff --git a/linux/system/repo_local/mcp/openstack.yml b/linux/system/repo_local/mcp/openstack.yml
index a25cc57..08f1e67 100644
--- a/linux/system/repo_local/mcp/openstack.yml
+++ b/linux/system/repo_local/mcp/openstack.yml
@@ -7,6 +7,6 @@
           architectures: amd64
           key_url: "http://${_param:local_repo_url}/public.gpg"
           pin:
-          - pin: 'release a=${_param:openstack_version}'
+          - pin: 'release l=${_param:openstack_version}'
             priority: 1100
             package: '*'