diff --git a/kcalutils.spec b/kcalutils.spec
index 567a97a..882f0e4 100644
--- a/kcalutils.spec
+++ b/kcalutils.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kcalutils
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 Calentar utils library
 Group:         System/Libraries
@@ -25,8 +25,8 @@ BuildRequires: libkiconthemes-devel
 BuildRequires: libkidentitymanagement-devel
 BuildRequires: libkpimtextedit-devel
 BuildRequires: libkwidgetsaddons-devel
-BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -98,6 +98,9 @@ exit 0
 %{_kde5_mkspecsdir}/qt_KCalUtils.pri
 
 %changelog
+* Sun Dec 12 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Sat Nov 06 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist