diff --git a/.abf.yml b/.abf.yml
index b1a7d03..f58b12b 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  json-glib-1.0.4.tar.xz: efdf5a66d1d8fb504448a40ba2352bbfef301074
+  json-glib-1.4.2.tar.xz: 660a72e0269feb15e89d6c17d86e594b7af6fecb
diff --git a/json-glib.spec b/json-glib.spec
index e0bf0c1..8d83c00 100644
--- a/json-glib.spec
+++ b/json-glib.spec
@@ -1,76 +1,96 @@
-%define libver 1.0
+%define api 1.0
 %define major 0
+%define libname %mklibname %{name} %{api} %{major}
+%define girname %mklibname %{name}-gir %{api}
+%define devname %mklibname %{name} -d
 
-%define libname		%mklibname %{name} %{libver} %{major}
-%define develname	%mklibname %{name} -d
-
-Name:		json-glib
-Version:	1.0.4
-Release:	1
 Summary:	Library for JavaScript Object Notation format
-Group:		System/Libraries
+Name:		json-glib
+Version:	1.4.2
+Release:	1
 License:	LGPLv2+
-URL:		http://live.gnome.org/JsonGlib
-Source0:	http://ftp.gnome.org/pub/GNOME/sources/%{name}/1.0/%{name}-%{version}.tar.xz
+Group:		System/Libraries
+Url:		http://live.gnome.org/JsonGlib
+Source0:	http://ftp.gnome.org/pub/GNOME/sources/%{name}/1.2/%{name}-%{version}.tar.xz
+BuildRequires:	gtk-doc
+BuildRequires:	meson
+BuildRequires:	xsltproc
 BuildRequires:	pkgconfig(glib-2.0)
 BuildRequires:	pkgconfig(gobject-introspection-1.0)
-BuildRequires:	gtk-doc
-Requires:	%{libname} = %{version}-%{release}
 
 %description
 %{name} is a library providing serialization and deserialization support
 for the JavaScript Object Notation (JSON) format.
 
+%files -f %{name}-%{api}.lang
+%{_bindir}/json-glib-format
+%{_bindir}/json-glib-validate
+%{_mandir}/man1/json-glib-format.1*
+%{_mandir}/man1/json-glib-validate.1*
+
+#----------------------------------------------------------------------------
+
 %package -n %{libname}
 Summary:	Shared libraries for %{name}
 Group:		System/Libraries
-Provides:	%{name} = %{version}-%{release}
-Provides:	lib%{name} = %{version}-%{release}
 
 %description -n %{libname}
 %{name} is a library providing serialization and deserialization support
 for the JavaScript Object Notation (JSON) format.
 
+%files -n %{libname}
+%{_libdir}/lib%{name}-%{api}.so.%{major}*
 
-%package -n %{develname}
+#----------------------------------------------------------------------------
+
+%package -n %{girname}
+Summary:	GObject introspection interface library for %{name}
+Group:		System/Libraries
+Requires:	%{libname} = %{EVRD}
+Conflicts:	%{_lib}json-gliblib1.0_0 < 1.2.2
+
+%description -n %{girname}
+GObject introspection interface library for %{name}.
+
+%files -n %{girname}
+%{_libdir}/girepository-1.0/Json-%{api}.typelib
+
+#----------------------------------------------------------------------------
+
+%package -n %{devname}
 Summary:	Development files for %{name}
 Group:		Development/C
-Provides:	lib%{name}-devel = %{version}-%{release}
-Requires:	%{libname} = %{version}-%{release}
+Requires:	%{libname} = %{EVRD}
+Requires:	%{girname} = %{EVRD}
+Provides:	%{name}-devel = %{EVRD}
 
-%description -n %{develname}
-The %{develname} package contains libraries and header files for
+%description -n %{devname}
+The %{devname} package contains libraries and header files for
 developing applications that use %{name}.
 
+%files -n %{devname}
+%doc NEWS
+%{_libdir}/lib%{name}-%{api}.so
+%{_libdir}/pkgconfig/%{name}-%{api}.pc
+%{_includedir}/%{name}-%{api}/
+%dir %{_datadir}/gtk-doc/html
+%{_datadir}/gtk-doc/html/%{name}/
+%{_datadir}/gir-1.0/Json-%{api}.gir
+%{_datadir}/installed-tests/
+%{_libdir}/installed-tests/
+
+#----------------------------------------------------------------------------
+
 %prep
 %setup -q
 
 %build
-%configure2_5x	--disable-static
-%make 
-
+%meson \
+	-Ddocs=true
+%meson_build
 
 %install
-rm -rf %{buildroot}
-%makeinstall_std
+%meson_install
 
-%find_lang %{name}-%{libver}
+%find_lang %{name}-%{api}
 
-%check
-%make check
-
-%files -f %{name}-%{libver}.lang
-%{_bindir}/*
-
-%files -n %{libname}
-%{_libdir}/lib%{name}-%{libver}.so.%{major}*
-%_libdir/girepository-1.0/Json-%{libver}.typelib
-
-%files -n %{develname}
-%doc NEWS ChangeLog
-%{_libdir}/lib%{name}-%{libver}.so
-%{_libdir}/pkgconfig/%{name}-%{libver}.pc
-%{_includedir}/%{name}-%{libver}/
-%dir %{_datadir}/gtk-doc/html
-%{_datadir}/gtk-doc/html/%{name}/
-%{_datadir}/gir-1.0/Json-%{libver}.gir