diff --git a/libkomparediff2.spec b/libkomparediff2.spec
index 69696c8..6384734 100644
--- a/libkomparediff2.spec
+++ b/libkomparediff2.spec
@@ -1,5 +1,5 @@
 Name:          libkomparediff2
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       KDE4 komparediff2 library
 Group:         System/Libraries
@@ -11,9 +11,18 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/lib
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: kdelibs-devel
 BuildRequires: libgcc
-BuildRequires: libqt4-devel
+BuildRequires: libkauth-devel
+BuildRequires: libkcodecs-devel
+BuildRequires: libkconfig-devel
+BuildRequires: libkconfigwidgets-devel
+BuildRequires: libkcoreaddons-devel
+BuildRequires: libki18n-devel
+BuildRequires: libkio-devel
+BuildRequires: libkservice-devel
+BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkxmlgui-devel
+BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: automoc4
@@ -77,6 +86,9 @@ exit 0
 %{_kde5_libdir}/libkomparediff2.so
 
 %changelog
+* Thu Apr 22 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