diff --git a/libmpc.spec b/libmpc.spec
index b9f3e1d..ef295e7 100644
--- a/libmpc.spec
+++ b/libmpc.spec
@@ -1,12 +1,12 @@
 Name:          libmpc
-Version:       1.2.1
+Version:       1.3.1
 Release:       1mamba
 Summary:       A C library for the arithmetic of complex numbers
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.multiprecision.org/
+URL:           https://www.multiprecision.org/mpc/
 Source:        https://ftp.gnu.org/gnu/mpc/mpc-%{version}.tar.gz
 #Source:        http://www.multiprecision.org/mpc/download/mpc-%{version}.tar.gz
 Patch0:        %{name}-0.8.1-gmp501.patch
@@ -17,7 +17,6 @@ BuildRequires: glibc-devel
 BuildRequires: libgmp-devel
 BuildRequires: libmpfr-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Mpc is a C library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result.
@@ -29,8 +28,9 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description devel
 Mpc is a C library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the result.
+This package contains static libraries and header files needed for development.
 
-This package contains static libraries and header files need for development.
+%debug_package
 
 %prep
 %setup -q -n mpc-%{version}
@@ -64,12 +64,14 @@ exit 0
 %files devel
 %defattr(-,root,root)
 %{_libdir}/libmpc.a
-%{_libdir}/libmpc.la
 %{_libdir}/libmpc.so
 %{_includedir}/*.h
 %doc NEWS README TODO
 
 %changelog
+* Sat Dec 17 2022 Automatic Build System <autodist@mambasoft.it> 1.3.1-1mamba
+- automatic version update by autodist
+
 * Tue Dec 29 2020 Automatic Build System <autodist@mambasoft.it> 1.2.1-1mamba
 - automatic version update by autodist