diff --git a/libgphoto2.spec b/libgphoto2.spec
index 9db8c63..ed151df 100644
--- a/libgphoto2.spec
+++ b/libgphoto2.spec
@@ -1,5 +1,5 @@
 Name:          libgphoto2
-Version:       2.5.30
+Version:       2.5.31
 Release:       1mamba
 Epoch:         1
 Summary:       A portable library to gives access to more than 400 digital cameras
@@ -15,49 +15,20 @@ Patch1:        libgphoto-2.4.7-Canon_A580.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libX11-devel
-BuildRequires: libXau-devel
-BuildRequires: libXdmcp-devel
-BuildRequires: libXpm-devel
-BuildRequires: libatomic-devel
 BuildRequires: libbrotli-devel
-BuildRequires: libbsd-devel
 BuildRequires: libbzip2-devel
-BuildRequires: libcares-devel
 BuildRequires: libcurl-devel
 BuildRequires: libexif-devel
-BuildRequires: libexpat-devel
-BuildRequires: libfontconfig-devel
-BuildRequires: libfreetype-devel
 BuildRequires: libgd-devel
 BuildRequires: libglib-devel
 BuildRequires: libgraphite2-devel
-BuildRequires: libgsasl-devel
-BuildRequires: libgss-devel
-BuildRequires: libharfbuzz-devel
-BuildRequires: libidn-devel
-BuildRequires: libidn2-devel
 BuildRequires: libjbig-devel
 BuildRequires: libjpeg-devel
 BuildRequires: liblockdev-devel
 BuildRequires: libltdl-devel
-BuildRequires: liblzma-devel
-BuildRequires: libnghttp2-devel
-BuildRequires: libntlm-devel
-BuildRequires: libopenldap-devel
-BuildRequires: libopenssl-devel
 BuildRequires: libpcre-devel
-BuildRequires: libpng-devel
-BuildRequires: libpsl-devel
-BuildRequires: librtmp-devel
-BuildRequires: libsasl2-devel
-BuildRequires: libssh2-devel
-BuildRequires: libtiff-devel
 BuildRequires: libudev-devel
-BuildRequires: libunistring-devel
 BuildRequires: libusb-devel
-BuildRequires: libwebp-devel
-BuildRequires: libxcb-devel
 BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: libzstd-devel
@@ -100,7 +71,7 @@ Arch independent files for %{name}.
 Summary:       Libgphoto2 API documentation
 Group:         Documentation
 Provides:      libgphoto-apidocs
-Obsoletes:     libgphoto-apidocs
+Obsoletes:     libgphoto-apidocs < 1:2.5.31
 
 %description apidocs
 Libgphoto2 API documentation.
@@ -110,7 +81,7 @@ Libgphoto2 API documentation.
 %prep
 %setup -q -n libgphoto2-%{version}
 #%patch0 -p1
-%patch1 -p1
+%patch 1 -p1
 
 %build
 %configure \
@@ -182,10 +153,8 @@ cat *.lang > %{name}.lang
 %{_bindir}/gphoto2-port-config
 %{_libdir}/libgphoto2.so
 %{_libdir}/libgphoto2.a
-%{_libdir}/libgphoto2.la
 %{_libdir}/libgphoto2_port.so
 %{_libdir}/libgphoto2_port.a
-%{_libdir}/libgphoto2_port.la
 %{_libdir}/pkgconfig/libgphoto2.pc
 %{_libdir}/pkgconfig/libgphoto2_port.pc
 %dir %{_includedir}/gphoto2
@@ -202,6 +171,9 @@ cat *.lang > %{name}.lang
 %{_datadir}/doc/libgphoto2_port/*
 
 %changelog
+* Mon Sep 04 2023 Automatic Build System <autodist@mambasoft.it> 2.5.31-1mamba
+- automatic version update by autodist
+
 * Sat Jul 02 2022 Automatic Build System <autodist@mambasoft.it> 2.5.30-1mamba
 - automatic version update by autodist
 
@@ -354,5 +326,5 @@ cat *.lang > %{name}.lang
 * Thu Apr 08 2004 Silvan Calarco <silvan.calarco@mambasoft.it> 2.1.4-1qilnx
 - new version build
 
-* Thu Jan 01 2003 Silvan Calarco <silvan.calarco@mambasoft.it> 2.1.3-1qilnx
+* Wed Jan 01 2003 Silvan Calarco <silvan.calarco@mambasoft.it> 2.1.3-1qilnx
 - first build