diff --git a/brltty.spec b/brltty.spec
index 34fbbbb..1c62fff 100644
--- a/brltty.spec
+++ b/brltty.spec
@@ -1,19 +1,17 @@
 Name:          brltty
-Version:       6.2
+Version:       6.3
 Release:       1mamba
 Summary:       A background process which provides access to the Linux/Unix console for a blind person
 Group:         Applications/Accessibility
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://mielke.cc/brltty/
+URL:           https://mielke.cc/brltty/
 Source:        http://mielke.cc/brltty/archive/brltty-%{version}.tar.xz
-#Source:        http://mielke.cc/brltty/releases/brltty-%{version}.tar.gz
 Patch0:        %{name}-5.4-udev.patch
 License:       GPL, LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libORBit2-devel
 BuildRequires: libX11-devel
 BuildRequires: libXaw-devel
@@ -36,22 +34,21 @@ BuildRequires: libglib-devel
 BuildRequires: libgpm-devel
 BuildRequires: libicu-devel
 BuildRequires: libncurses-devel
-BuildRequires: libpcre-devel
+BuildRequires: libpcre2-devel
 BuildRequires: libpolkit-devel
 BuildRequires: libpython3-devel
 BuildRequires: libspeechd-devel
 BuildRequires: libsystemd-devel
+BuildRequires: ocaml
 BuildRequires: ocaml-runtime
-BuildRequires: python3
 ## AUTOBUILDREQ-END
-BuildRequires: java_cup
+#BuildRequires: java_cup
 BuildRequires: ocaml = 4.11.1
 BuildRequires: libtk-devel
 BuildRequires: Cython >= 0.29.21
-Requires(pre): %{_bindir}/mcookie
+Requires(post): %{_bindir}/mcookie
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-Requires:      java_cup
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+#Requires:      java_cup
 
 %description
 BRLTTY is a background process (daemon) which provides access to the Linux/Unix console (when in text mode) for a blind person using a refreshable braille display. It drives the braille display, and provides complete screen review functionality. Some speech capability has also been incorporated. 
@@ -68,7 +65,7 @@ Group:         Development/Libraries
 Summary:       Development files for %{name}
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      %{name}-devel
-Obsoletes:     %{name}-devel
+Obsoletes:     %{name}-devel < 6.3
 
 %description -n lib%{name}-devel
 This package contains libraries and header files for developing applications that use %{name}.
@@ -152,9 +149,13 @@ rm -f %{buildroot}%{_bindir}/brltty-install
 %{_libdir}/libbrlapi.so
 %{_libdir}/libbrlapi.a
 %{_mandir}/man3/brlapi_*3*
+%{_libdir}/pkgconfig/brltty.pc
 #%doc README
 
 %changelog
+* Thu Feb 04 2021 Automatic Build System <autodist@mambasoft.it> 6.3-1mamba
+- automatic version update by autodist
+
 * Thu Jan 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 6.2-1mamba
 - update to 6.2