diff --git a/gcc.spec b/gcc.spec
index 8e2c337..8c316fd 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -14,7 +14,7 @@
    %define _ld ld
 %endif
 
-%define gcc_ver %(echo %{version} | cut -d. -f 1-3)
+%define gcc_ver %(echo %{version} | cut -d+ -f1)
 
 # use stage1 == 1 to have a gcc build not depending on
 # glibc library; this is usually the first needed step in
@@ -30,14 +30,14 @@
 #   % define bootstrap_append    -stage2
 #% endif
 
-%define gittag %(echo %version | cut -d. -f5)
+%define gittag %(echo %version | cut -d+ -f2 | cut -d. -f2)
 %define libstdcxx_name        libstdc++6
 
 %define MAJver %(echo %version | cut -d. -f 1)
 %define majver %(echo %version | cut -d. -f 1-2)
 
 Name:          gcc
-Version:       14.2.0
+Version:       14.2.1+20240909git.3951efed
 Release:       1mamba
 Summary:       GNU Compiler Collection (C, C++, Fortran, Go, Ada)
 Group:         Applications/Development
@@ -45,12 +45,19 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://gcc.gnu.org/
-Source:        https://ftp.gnu.org/gnu/gcc/gcc-%{version}/gcc-%{version}.tar.xz
-#Source:        https://sourceware.org/git/gcc.git/releases%2Fgcc-14@%{gittag}/gcc-%{version}.tar.bz2
+#Source:        https://ftp.gnu.org/gnu/gcc/gcc-%{version}/gcc-%{version}.tar.bz2
+Source:        https://sourceware.org/git/gcc.git/releases%2Fgcc-14@%{gittag}/gcc-%{version}.tar.bz2
 Patch0:        gcc-10.1.0-arm-provide-futex-atomic-functions.patch
 Patch1:        gcc-13.1.1-libgomp-workaround-null-environ.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgmp-devel
+BuildRequires: libisl-devel
+BuildRequires: libmpc-devel
+BuildRequires: libmpfr-devel
+BuildRequires: libz-devel
+BuildRequires: libzstd-devel
 ## AUTOBUILDREQ-END
 %if "%{?cross_target_cpu}" == ""
 BuildRequires: binutils
@@ -897,30 +904,6 @@ rm -f %{buildroot}%{_infodir}/libquadmath.info*
 %clean
 [ "%{buildroot}" != "/" ] && rm -rf "%{buildroot}"
 
-%post -n libgcc -p /sbin/ldconfig
-%postun -n libgcc -p /sbin/ldconfig
-
-%post -n %{libstdcxx_name} -p /sbin/ldconfig
-%postun -n %{libstdcxx_name} -p /sbin/ldconfig
-
-%post -n libgdruntime -p /sbin/ldconfig
-%postun -n libgdruntime -p /sbin/ldconfig
-
-%post -n libgfortran -p /sbin/ldconfig
-%postun -n libgfortran -p /sbin/ldconfig
-
-%post -n libquadmath -p /sbin/ldconfig
-%postun -n libquadmath -p /sbin/ldconfig
-
-%post -n libatomic -p /sbin/ldconfig
-%postun -n libatomic -p /sbin/ldconfig
-
-%post -n libasan -p /sbin/ldconfig
-%postun -n libasan -p /sbin/ldconfig
-
-%post -n liblsan -p /sbin/ldconfig
-%postun -n liblsan -p /sbin/ldconfig
-
 %post doc
 %install_info cppinternals.info
 %install_info gcc.info
@@ -962,6 +945,7 @@ rm -f %{buildroot}%{_infodir}/libquadmath.info*
 %{_bindir}/%{_target_platform}-gcc-nm
 %{_bindir}/%{_target_platform}-gcc-ranlib
 %{_bindir}/%{_target_platform}-gcov
+%{_bindir}/%{_target_platform}-gcc-%{gcc_ver}
 %dir %{_libdir}/gcc
 %{_libdir}/gcc/*
 %ifarch x86_64 aarch64
@@ -1350,6 +1334,9 @@ rm -f %{buildroot}%{_infodir}/libquadmath.info*
 %endif
 
 %changelog
+* Mon Sep 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 14.2.1+20240909git.3951efed-1mamba
+- update to 14.2.1+20240909git.3951efed
+
 * Tue Aug 13 2024 Automatic Build System <autodist@openmamba.org> 14.2.0-1mamba
 - automatic version update by autodist