diff --git a/klettres.spec b/klettres.spec
index 4755341..e108a4e 100644
--- a/klettres.spec
+++ b/klettres.spec
@@ -1,5 +1,5 @@
 Name:          klettres
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       Learn The Alphabet
 Group:         Graphical Desktop/Applications/Educational
@@ -11,7 +11,19 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/kle
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libattica5-devel
 BuildRequires: libgcc
+BuildRequires: libkauth-devel
+BuildRequires: libkcodecs-devel
+BuildRequires: libkconfig-devel
+BuildRequires: libkconfigwidgets-devel
+BuildRequires: libkcoreaddons-devel
+BuildRequires: libkcrash-devel
+BuildRequires: libki18n-devel
+BuildRequires: libknewstuff-devel
+BuildRequires: libkservice-devel
+BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkxmlgui-devel
 BuildRequires: libphonon-devel
 BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
@@ -83,6 +95,9 @@ exit 0
 #ChangeLog README_packagers TODO
 
 %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