diff --git a/graphviz.spec b/graphviz.spec
index 411bc84..40c85c5 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -1,7 +1,7 @@
 %define        libname  lib%{name}
 
 Name:          graphviz
-Version:       2.49.3
+Version:       2.50.0
 Release:       1mamba
 Summary:       Graph Visualization Tools
 Group:         Applications/Graphics
@@ -75,7 +75,6 @@ BuildRequires: libperl
 BuildRequires: libpng-devel
 BuildRequires: libpoppler-glib-devel
 BuildRequires: libpython3-devel
-BuildRequires: libqt5-devel
 BuildRequires: libreadline-devel
 BuildRequires: librsvg-devel
 BuildRequires: libstdc++6-devel
@@ -91,6 +90,7 @@ BuildRequires: libz-devel
 BuildRequires: libzstd-devel
 BuildRequires: ocaml
 BuildRequires: perl-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: ocaml-runtime >= 4.11.1
 BuildRequires: libunistring-devel >= 0.9.6-1mamba
@@ -463,6 +463,9 @@ exit 0
 %{_datadir}/%{name}/doc/pdf/*
 
 %changelog
+* Mon Dec 06 2021 Automatic Build System <autodist@mambasoft.it> 2.50.0-1mamba
+- automatic version update by autodist
+
 * Sat Oct 23 2021 Automatic Build System <autodist@mambasoft.it> 2.49.3-1mamba
 - automatic version update by autodist