diff --git a/octave.spec b/octave.spec
index 11e2fc7..a1e8d21 100644
--- a/octave.spec
+++ b/octave.spec
@@ -1,12 +1,12 @@
 Name:          octave
-Version:       6.2.0
+Version:       6.3.0
 Release:       1mamba
 Summary:       A high-level language, primarily intended for numerical computations
 Group:         Applications/Mathematics
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://www.octave.org
+URL:           https://www.gnu.org/software/octave/
 Source0:       ftp://ftp.gnu.org/gnu/octave/octave-%{version}.tar.gz
 Source1:       octave.png
 Patch0:        %{name}-3.4.2-curl_remove_include.patch
@@ -15,7 +15,6 @@ License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: gcc-fortran
 BuildRequires: glibc-devel
-BuildRequires: libGL-devel
 BuildRequires: libGLU-devel
 BuildRequires: libGraphicsMagick-devel
 BuildRequires: libICE-devel
@@ -30,8 +29,7 @@ BuildRequires: libXft-devel
 BuildRequires: libXinerama-devel
 BuildRequires: libXrender-devel
 BuildRequires: libalsa-devel
-BuildRequires: libatlas-devel
-BuildRequires: libblas-devel
+BuildRequires: libarpack-devel
 BuildRequires: libbrotli-devel
 BuildRequires: libbsd-devel
 BuildRequires: libbzip2-devel
@@ -40,31 +38,36 @@ BuildRequires: libcurl-devel
 BuildRequires: libe2fs-devel
 BuildRequires: libexpat-devel
 BuildRequires: libfftw-devel
-BuildRequires: libflac-devel
 BuildRequires: libfltk-devel
 BuildRequires: libfontconfig-devel
 BuildRequires: libfreetype-devel
 BuildRequires: libgcc
 BuildRequires: libglib-devel
 BuildRequires: libglpk-devel
+BuildRequires: libglvnd-devel
 BuildRequires: libgomp-devel
 BuildRequires: libgraphite2-devel
-BuildRequires: libgs-devel
+BuildRequires: libgsasl-devel
 BuildRequires: libgss-devel
 BuildRequires: libharfbuzz-devel
 BuildRequires: libhdf5-devel
+BuildRequires: libidn-devel
+BuildRequires: libidn2-devel
 BuildRequires: libjack-devel
 BuildRequires: libkrb5-devel
 BuildRequires: liblcms2-devel
 BuildRequires: libltdl-devel
 BuildRequires: liblzma-devel
 BuildRequires: libncurses-devel
-BuildRequires: libogg-devel
+BuildRequires: libnghttp2-devel
+BuildRequires: libntlm-devel
+BuildRequires: libopenblas-devel
 BuildRequires: libopenldap-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libpcre-devel
 BuildRequires: libpng-devel
 BuildRequires: libportaudio-devel
+BuildRequires: libpsl-devel
 BuildRequires: libqhull-devel
 BuildRequires: libqrupdate-devel
 BuildRequires: libqt5-devel
@@ -76,10 +79,11 @@ BuildRequires: libsndfile-devel
 BuildRequires: libssh2-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsuitesparse-devel
+BuildRequires: libunistring-devel
 BuildRequires: libuuid-devel
-BuildRequires: libvorbis-devel
 BuildRequires: libxcb-devel
 BuildRequires: libz-devel
+BuildRequires: libzstd-devel
 BuildRequires: qscintilla-devel
 ## AUTOBUILDREQ-END
 BuildRequires: qscintilla-devel >= 2.11.2
@@ -93,7 +97,6 @@ BuildRequires: libssh2-devel
 BuildRequires: libgpg-error-devel
 BuildRequires: libgss-devel
 Requires:      gnuplot
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 Requires(post):%{__install_info}
 
 %description
@@ -208,6 +211,9 @@ install -D -m 644 %{SOURCE1} \
 #%doc ChangeLog README NEWS INSTALL
 
 %changelog
+* Mon Jul 12 2021 Automatic Build System <autodist@mambasoft.it> 6.3.0-1mamba
+- automatic version update by autodist
+
 * Sat Feb 20 2021 Automatic Build System <autodist@mambasoft.it> 6.2.0-1mamba
 - automatic version update by autodist