diff --git a/appstream.spec b/appstream.spec
index 0610a0a..789b9c9 100644
--- a/appstream.spec
+++ b/appstream.spec
@@ -1,5 +1,5 @@
 Name:          appstream
-Version:       0.12.6
+Version:       0.12.7
 Release:       1mamba
 Summary:       Tools and libraries to work with AppStream metadata
 Group:         System/Tools
@@ -13,6 +13,7 @@ License:       GPL, LGPL
 BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libglib-devel
+BuildRequires: liblmdb-devel
 BuildRequires: libqt5-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libstemmer-devel
@@ -29,6 +30,7 @@ Tools and libraries to work with AppStream metadata.
 %package -n lib%{name}
 Group:         System/Libraries
 Summary:       Shared libraries for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description -n lib%{name}
 This package contains shared libraries for %{name}.
@@ -65,14 +67,8 @@ This package contains libraries and header files for developing applications tha
 
 %build
 %meson \
-	-Dqt=true
- 
-#mkdir build
-
-#cd build
-#meson --prefix=%{_prefix} --libdir=%{_libdir} ..
-
-#ninja
+	-Dqt=true \
+	-Dstemming=true 
 
 %meson_build
 
@@ -91,27 +87,27 @@ export DESTDIR=%{buildroot}
 
 %files -f %{name}.lang
 %defattr(-,root,root)
+%{_sysconfdir}/appstream.conf
+%{_datadir}/gettext/its/metainfo.its
+%{_datadir}/gettext/its/metainfo.loc
+%{_datadir}/metainfo/org.freedesktop.appstream.cli.metainfo.xml
 %{_bindir}/appstreamcli
 %{_mandir}/man1/appstreamcli.1*
-%doc AUTHORS
 
 %files -n lib%{name}
 %defattr(-,root,root)
 %{_libdir}/libappstream.so.*
 %{_libdir}/girepository-1.0/AppStream-1.0.typelib
+%doc AUTHORS
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
-%{_sysconfdir}/appstream.conf
 %dir %{_includedir}/appstream
 %{_includedir}/appstream/*
 %{_libdir}/libappstream.so
 %{_libdir}/pkgconfig/appstream.pc
-%{_datadir}/gettext/its/metainfo.its
-%{_datadir}/gettext/its/metainfo.loc
 %{_datadir}/gir-1.0/AppStream-1.0.gir
 %{_datadir}/gtk-doc/html/appstream
-%{_datadir}/metainfo/org.freedesktop.appstream.cli.metainfo.xml
 %dir %{_datadir}/doc/appstream
 %{_datadir}/doc/appstream/*
 %doc NEWS README.md
@@ -129,6 +125,9 @@ export DESTDIR=%{buildroot}
 %{_libdir}/libAppStreamQt.so
 
 %changelog
+* Mon Jul 08 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.12.7-1mamba
+- update to 0.12.7
+
 * Sat Mar 02 2019 Automatic Build System <autodist@mambasoft.it> 0.12.6-1mamba
 - automatic version update by autodist