diff --git a/maxima.spec b/maxima.spec
index 336b634..96d7abd 100644
--- a/maxima.spec
+++ b/maxima.spec
@@ -1,12 +1,12 @@
 Name:          maxima
-Version:       5.44.0
+Version:       5.45.0
 Release:       1mamba
 Summary:       A sophisticated computer algebra system
 Group:         Graphical Desktop/Applications/Educational
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://maxima.sourceforge.net/
+URL:           https://maxima.sourceforge.io/
 Source:        http://downloads.sourceforge.net/sourceforge/maxima/%{name}-%{version}.tar.gz
 Source1:       maxima.png
 Patch0:        maxima-5.30.0-texinfo-5.patch
@@ -15,12 +15,13 @@ Requires(post):%{__install_info}
 BuildRequires: clisp-devel >= 2.34
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libncurses-devel
+BuildRequires: libffcall-devel
 BuildRequires: libreadline-devel
-BuildRequires: libtk-devel
+BuildRequires: libsigsegv-devel
+BuildRequires: libtermcap-devel
+BuildRequires: libunistring-devel
 ## AUTOBUILDREQ-END
 Requires:      libtk
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 A sophisticated computer algebra system.
@@ -98,6 +99,9 @@ exit 0
 #%doc README.rpms
 
 %changelog
+* Mon May 24 2021 Automatic Build System <autodist@mambasoft.it> 5.45.0-1mamba
+- automatic version update by autodist
+
 * Sat Jun 13 2020 Automatic Build System <autodist@mambasoft.it> 5.44.0-1mamba
 - automatic version update by autodist