diff --git a/extra.cfg b/extra.cfg
index 8c37e10..5966e1a 100644
--- a/extra.cfg
+++ b/extra.cfg
@@ -28,6 +28,7 @@ exclude_filter {
     glob_match: "centos-release-samba418"
     glob_match: "centos-release-samba419"
     glob_match: "centos-release-samba420"
+    glob_match: "centos-release-samba421"
     glob_match: "centos-release-ceph-pacific"
     glob_match: "centos-release-ceph-quincy"
     glob_match: "centos-release-ceph-reef"
@@ -349,6 +350,15 @@ package {
   }
 }
 
+package {
+  name: "centos-release-samba421"
+  type: PACKAGE_TYPE_NORMAL_SRC
+  repository {
+    name: "extras"
+    include_filter: "centos-release-samba421.noarch"
+  }
+}
+
 package {
   name: "centos-release-nfs-ganesha4"
   type: PACKAGE_TYPE_NORMAL_SRC