diff --git a/kmbox.spec b/kmbox.spec
index 0cf539d..1ddde87 100644
--- a/kmbox.spec
+++ b/kmbox.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kmbox
-Version:       20.08.3
+Version:       20.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 mailbox library
 Group:         System/Libraries
@@ -85,9 +85,12 @@ exit 0
 %dir %{_kde5_libdir}/cmake/KF5Mbox
 %{_kde5_libdir}/cmake/KF5Mbox/KF5Mbox*.cmake
 %{_kde5_libdir}/libKF5Mbox.so
-%{_libdir}/qt5/mkspecs/modules/qt_Mbox.pri
+%{_kde5_mkspecsdir}/qt_KMbox.pri
 
 %changelog
+* Sun Dec 20 2020 Automatic Build System <autodist@mambasoft.it> 20.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 06 2020 Automatic Build System <autodist@mambasoft.it> 20.08.3-1mamba
 - automatic version update by autodist