diff --git a/analitza.spec b/analitza.spec
index 8f4e07a..1340141 100644
--- a/analitza.spec
+++ b/analitza.spec
@@ -2,7 +2,7 @@
 %global __debug_package 1
 
 Name:          analitza
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       KDE library for mathematical features
 Group:         Graphical Desktop/Applications/Scientific
@@ -16,10 +16,8 @@ License:       GPL
 BuildRequires: cmake
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: kdelibs-devel
 BuildRequires: libgcc
-BuildRequires: libqt4-devel
-BuildRequires: libreadline-devel
+BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: extra-cmake-modules
@@ -123,6 +121,9 @@ Debug information is useful when developing applications that use this package o
 %{_kde5_libdir}/cmake/Analitza5/Analitza5*.cmake
 
 %changelog
+* Thu Apr 22 2021 Automatic Build System <autodist@mambasoft.it> 21.04.0-1mamba
+- automatic version update by autodist
+
 * Thu Mar 04 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
 - automatic version update by autodist