diff --git a/partitionmanager.spec b/partitionmanager.spec
index 24b62b4..79c90c0 100644
--- a/partitionmanager.spec
+++ b/partitionmanager.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          partitionmanager
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       KDE 5 partition manager
 Group:         Graphical Desktop/Applications/Administration
@@ -31,9 +31,9 @@ BuildRequires: libkservice-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -89,6 +89,9 @@ KDE 5 partition manager.
 %doc LICENSES/*
 
 %changelog
+* Sat Dec 11 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 05 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist