diff --git a/bin/pt-online-schema-change b/bin/pt-online-schema-change
index 01930fac..e9e89c56 100755
--- a/bin/pt-online-schema-change
+++ b/bin/pt-online-schema-change
@@ -9979,7 +9979,7 @@ The tool cannot alter MyISAM tables on L<"Percona XtraDB Cluster"> nodes.
 
 =head1 Percona XtraDB Cluster
 
-pt-online-schema-change works with Percona XtraDB Cluster (PXC) 5.5.27-23.6
+pt-online-schema-change works with Percona XtraDB Cluster (PXC) 5.5.28-23.7
 and newer, but there is one limitation: only InnoDB tables can be altered.
 The tool exits with an error if the host is a cluster node and the table
 is MyISAM or is being converted to MyISAM (C<ENGINE=MyISAM>).  There is no
diff --git a/bin/pt-table-checksum b/bin/pt-table-checksum
index f476a536..81950a7f 100755
--- a/bin/pt-table-checksum
+++ b/bin/pt-table-checksum
@@ -10744,7 +10744,7 @@ can try something like the following:
 
 =head1 Percona XtraDB Cluster
 
-pt-table-checksum works with Percona XtraDB Cluster (PXC) 5.5.27-23.6 and newer.
+pt-table-checksum works with Percona XtraDB Cluster (PXC) 5.5.28-23.7 and newer.
 The number of possible Percona XtraDB Cluster setups is large given that
 it can be used with regular replication as well.  Therefore, only the setups
 listed below are supported and known to work.  Other setups, like cluster