diff --git a/src/bin/pg_dump/pg_backup_archiver.h b/src/bin/pg_dump/pg_backup_archiver.h
index 6eb18604326eba4f4d311c02d82d1053174cb359..4ee00589d6101f2bf27aca1bba8fb1dce3231289 100644
--- a/src/bin/pg_dump/pg_backup_archiver.h
+++ b/src/bin/pg_dump/pg_backup_archiver.h
@@ -59,7 +59,7 @@ typedef z_stream *z_streamp;
 
 #define K_VERS_MAJOR 1
 #define K_VERS_MINOR 4 
-#define K_VERS_REV 10 
+#define K_VERS_REV 11 
 
 /* Data block types */
 #define BLK_DATA 1