diff --git a/kalgebra.spec b/kalgebra.spec
index 6889e4c..9b95571 100644
--- a/kalgebra.spec
+++ b/kalgebra.spec
@@ -1,6 +1,6 @@
 ### AUTOUPDATE-OFF: 1
 Name:          kalgebra
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       A mathematical calculator based content markup MathML language
 Group:         Graphical Desktop/Applications/Scientific
@@ -12,7 +12,7 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/kal
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libGL-devel
+BuildRequires: libQt5WebEngine-devel
 BuildRequires: libanalitza-devel
 BuildRequires: libgcc
 BuildRequires: libkauth-devel
@@ -38,6 +38,8 @@ KAlgebra is a mathematical calculator based content markup MathML language.
 Nowadays it is capable to make simple MathML operations (arithmetic and logical) and representate 2D and 3D graphs.
 It is actually not necessary to know MathML to use KAlgebra.
 
+%debug_package
+
 %prep
 %setup -q
 
@@ -93,7 +95,7 @@ exit 0
 %{_datadir}/doc/HTML/en/kalgebra/*
 %{_datadir}/icons/hicolor/64x64/apps/kalgebra.png
 %{_datadir}/icons/hicolor/scalable/apps/kalgebra.svgz
-%{_datadir}/kalgebramobile/plugins/*
+#%{_datadir}/kalgebramobile/plugins/*
 %{_datadir}/katepart5/syntax/kalgebra.xml
 %{_datadir}/kservices5/graphsplasmoid.desktop
 %dir %{_datadir}/plasma/plasmoids/org.kde.graphsplasmoid
@@ -101,6 +103,9 @@ exit 0
 %doc COPYING COPYING.DOC COPYING.LIB
 
 %changelog
+* Fri Apr 23 2021 Automatic Build System <autodist@mambasoft.it> 21.04.0-1mamba
+- automatic version update by autodist
+
 * Sun Mar 07 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
 - automatic version update by autodist