diff --git a/libupnp.spec b/libupnp.spec
index 3242eba..0b068f9 100644
--- a/libupnp.spec
+++ b/libupnp.spec
@@ -1,4 +1,4 @@
-Version: 1.6.25
+Version: 1.8.3
 Summary: Universal Plug and Play (UPnP) SDK
 Name: libupnp
 Release: 1%{?dist}
@@ -24,7 +24,12 @@ the UPnP SDK libraries.
 %setup -q
 
 %build
-%configure --enable-static=no --enable-ipv6
+%configure \
+%if 0%{?__isa_bits} == 32
+  --disable-largefile \
+%endif
+  --enable-static=no \
+  --enable-ipv6
 
 # remove rpath from libtool
 sed -i.rpath 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
@@ -35,25 +40,27 @@ sed -i.rpath 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 %install
 %make_install
 
-%{__rm} %{buildroot}%{_libdir}/{libixml.la,libthreadutil.la,libupnp.la}
+%{__rm} %{buildroot}%{_libdir}/{libixml.la,libupnp.la}
 
 %ldconfig_scriptlets
 
 %files
 %license LICENSE
 %doc THANKS
-%{_libdir}/libixml.so.2*
-%{_libdir}/libthreadutil.so.6*
-%{_libdir}/libupnp.so.6*
+%{_libdir}/libixml.so.10*
+%{_libdir}/libupnp.so.10*
 
 %files devel
 %{_includedir}/upnp/
 %{_libdir}/libixml.so
-%{_libdir}/libthreadutil.so
 %{_libdir}/libupnp.so
 %{_libdir}/pkgconfig/libupnp.pc
 
 %changelog
+* Fri Apr 13 2018 Nicolas Chauvet <kwizart@gmail.com> - 1.8.3-1
+- Update to 1.8.3
+- Drop libthreadutil
+
 * Fri Apr 13 2018 Nicolas Chauvet <kwizart@gmail.com> - 1.6.25-1
 - Update to 1.6.25
 - Spec file clean-up