diff --git a/libnatpmp.spec b/libnatpmp.spec
index 9c2771b..5ef2976 100644
--- a/libnatpmp.spec
+++ b/libnatpmp.spec
@@ -1,5 +1,5 @@
 Name:          libnatpmp
-Version:       20150609
+Version:       20230616
 Release:       1mamba
 Summary:       NAT Port Mapping Protocol (NAT-PMP) library
 Group:         System/Libraries
@@ -7,13 +7,12 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://miniupnp.free.fr/
-Source:        http://miniupnp.free.fr/files/libnatpmp-%{version}.tar.gz
+Source:        https://github.com/miniupnp/libnatpmp.git/master/libnatpmp-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
 Requires:      %{name}-tools = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 NAT Port Mapping Protocol (NAT-PMP) library.
@@ -40,11 +39,14 @@ This package contains utility applications for %{name}.
 %setup -q
 
 %build
+#% cmake -d build \
+#   -DBUILD_SHARED_LIBS=ON
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall PREFIX=%{buildroot} INSTALLDIRLIB=%{buildroot}%{_libdir}
+%makeinstall PREFIX=%{buildroot} INSTALLDIRLIB=%{buildroot}%{_libdir} DESTDIR=""
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -60,8 +62,10 @@ This package contains utility applications for %{name}.
 %files devel
 %defattr(-,root,root)
 %{_includedir}/natpmp.h
+%{_includedir}/natpmp_declspec.h
 %{_libdir}/libnatpmp.a
 %{_libdir}/libnatpmp.so
+%{_libdir}/pkgconfig/natpmp.pc
 %doc README
 
 %files tools
@@ -69,5 +73,8 @@ This package contains utility applications for %{name}.
 %{_bindir}/natpmpc
 
 %changelog
+* Sun Jun 18 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 20230616-1mamba
+- update to 20230616
+
 * Sun Apr 21 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 20150609-1mamba
 - package created using the webbuild interface