diff --git a/roles/openshift-apps/mirrormanager/templates/deploymentconfig.yml b/roles/openshift-apps/mirrormanager/templates/deploymentconfig.yml
index e5a6c83bab..8b98e5e32d 100644
--- a/roles/openshift-apps/mirrormanager/templates/deploymentconfig.yml
+++ b/roles/openshift-apps/mirrormanager/templates/deploymentconfig.yml
@@ -59,6 +59,8 @@ spec:
             - name: secrets
               mountPath: "/etc/mirrormanager-secrets"
               readOnly: true
+      securityContext:
+        supplementalGroups: [263]
 
       volumes:
         {{ common_volumes() }}