diff --git a/kbruch.spec b/kbruch.spec
index 77f050a..0500639 100644
--- a/kbruch.spec
+++ b/kbruch.spec
@@ -1,5 +1,5 @@
 Name:          kbruch
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       Exercise Fractions
 Group:         Graphical Desktop/Applications/Educational
@@ -22,8 +22,8 @@ BuildRequires: libkcrash-devel
 BuildRequires: libki18n-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkxmlgui-devel
-BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 #Requires:      kde-workspace
 Provides:      kbruch4 = %{?epoch:%epoch:}%{version}-%{release}
@@ -86,6 +86,9 @@ 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