diff --git a/mbuffer/mbuffer.spec b/mbuffer/mbuffer.spec
index 996ee2c19e..bdff4a4c0e 100644
--- a/mbuffer/mbuffer.spec
+++ b/mbuffer/mbuffer.spec
@@ -31,8 +31,8 @@ Distribution: OpenPKG Community
 Class:        EVAL
 Group:        Filesystem
 License:      GPL
-Version:      20210328
-Release:      20210329
+Version:      20210829
+Release:      20210829
 
 #   list of sources
 Source0:      http://www.maier-komor.de/software/mbuffer/mbuffer-%{version}.tgz