diff --git a/qtractor.spec b/qtractor.spec
index 07501c7..a2ac746 100644
--- a/qtractor.spec
+++ b/qtractor.spec
@@ -1,5 +1,5 @@
 Name:          qtractor
-Version:       0.9.20
+Version:       0.9.21
 Epoch:         1
 Release:       1mamba
 Summary:       A MIDI/Audio multi-track sequencer
@@ -10,7 +10,6 @@ Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://qtractor.sourceforge.net
 Source:        http://downloads.sourceforge.net/sourceforge/qtractor/qtractor-%{version}.tar.gz
 License:       GPL
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libalsa-devel
@@ -117,6 +116,9 @@ fi
 # ChangeLog README TODO
 
 %changelog
+* Sat Mar 20 2021 Automatic Build System <autodist@mambasoft.it> 0.9.21-1mamba
+- automatic version update by autodist
+
 * Mon Feb 22 2021 Automatic Build System <autodist@mambasoft.it> 0.9.20-1mamba
 - automatic version update by autodist