diff --git a/kcalc.spec b/kcalc.spec
index 7de289a..8e43db1 100644
--- a/kcalc.spec
+++ b/kcalc.spec
@@ -1,5 +1,5 @@
 Name:          kcalc
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       Scientific calculator
 Group:         Graphical Desktop/Applications/Utilities
@@ -14,6 +14,18 @@ BuildRequires: cmake
 BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libgmp-devel
+BuildRequires: libkauth-devel
+BuildRequires: libkcodecs-devel
+BuildRequires: libkconfig-devel
+BuildRequires: libkconfigwidgets-devel
+BuildRequires: libkcoreaddons-devel
+BuildRequires: libkcrash-devel
+BuildRequires: libkguiaddons-devel
+BuildRequires: libki18n-devel
+BuildRequires: libknotifications-devel
+BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkxmlgui-devel
+BuildRequires: libmpfr-devel
 BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
@@ -82,6 +94,9 @@ exit 0
 %doc COPYING COPYING.LIB
 
 %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