diff --git a/ktimer.spec b/ktimer.spec
index 7dac3e6..834198c 100644
--- a/ktimer.spec
+++ b/ktimer.spec
@@ -1,5 +1,5 @@
 Name:          ktimer
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       Execute programs after some time
 Group:         Graphical Desktop/Applications/Utilities
@@ -17,7 +17,6 @@ BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 #Requires:      kde-workspace
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 %{summary}.
@@ -68,6 +67,9 @@ exit 0
 %doc COPYING
 
 %changelog
+* Fri Mar 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.2-1mamba
 - automatic version update by autodist