diff --git a/libkmahjongg.spec b/libkmahjongg.spec
index 7ca6b9b..31c4907 100644
--- a/libkmahjongg.spec
+++ b/libkmahjongg.spec
@@ -1,5 +1,5 @@
 Name:          libkmahjongg
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       KDE library used for loading and rendering of Mahjongg tilesets and associated backgrounds
 Group:         System/Libraries
@@ -27,7 +27,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: automoc4
 BuildRequires: cmake
 Provides:      libkmahjongg5
-Obsoletes:     libkmahjongg5
+Obsoletes:     libkmahjongg5 < 21.04.0
 
 %description
 The library used for loading and rendering of Mahjongg tilesets and associated backgrounds, used by KMahjongg and KShisen.
@@ -37,7 +37,7 @@ Group:         Development/Libraries
 Summary:       Development files for %{name}
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      libkmahjongg5-devel
-Obsoletes:     libkmahjongg5-devel
+Obsoletes:     libkmahjongg5-devel < 21.04.0
 
 %description devel
 This package contains libraries and header files for developing applications that use %{name}.
@@ -77,17 +77,20 @@ exit 0
 %dir %{_kde5_datadir}/kmahjongglib/tilesets
 %{_kde5_datadir}/kmahjongglib/tilesets/*
 %{_datadir}/qlogging-categories5/libkmahjongg.categories
-%doc COPYING COPYING.DOC COPYING.LIB
+%doc LICENSES
 
 %files devel
 %defattr(-,root,root)
 %dir %{_kde5_includedir}/KF5KMahjongg
-%{_kde5_includedir}/KF5KMahjongg/*.h
+%{_kde5_includedir}/KF5KMahjongg/*
 %dir %{_libdir}/cmake/KF5KMahjongglib
 %{_libdir}/cmake/KF5KMahjongglib/KF5KMahjongg*.cmake
 %{_libdir}/libKF5KMahjongglib.so
 
 %changelog
+* Sun Apr 25 2021 Automatic Build System <autodist@mambasoft.it> 21.04.0-1mamba
+- automatic version update by autodist
+
 * Fri Mar 05 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
 - automatic version update by autodist