diff --git a/kturtle.spec b/kturtle.spec
index 553f449..f0eb620 100644
--- a/kturtle.spec
+++ b/kturtle.spec
@@ -1,5 +1,5 @@
 Name:          kturtle
-Version:       20.12.2
+Version:       20.12.3
 Release:       1mamba
 Summary:       KTurtle - Educational Programming Environment
 Group:         Graphical Desktop/Applications/Educational
@@ -19,7 +19,6 @@ BuildRequires: cmake
 #Requires:      kde-workspace
 Provides:      kturtle4 = %{?epoch:%epoch:}%{version}-%{release}
 Obsoletes:     kturtle4
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 KTurtle is an educational programming environment that aims to make learning how to program as easy as possible.
@@ -77,6 +76,9 @@ exit 0
 %doc AUTHORS LICENSES COPYING.DOC
 
 %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