diff --git a/kcachegrind.spec b/kcachegrind.spec
index e3e5143..e732289 100644
--- a/kcachegrind.spec
+++ b/kcachegrind.spec
@@ -1,5 +1,5 @@
 Name:          kcachegrind
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       A visualisation tool for the profiling data generated by Cachegrind and Calltree
 Group:         Graphical Desktop/Applications/Development
@@ -29,10 +29,10 @@ BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
 BuildRequires: libperl
-BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: perl-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: automoc4
 BuildRequires: cmake
@@ -101,6 +101,9 @@ exit 0
 %doc AUTHORS LICENSES
 
 %changelog
+* Thu Dec 09 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Thu Nov 04 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist