diff --git a/pango-1.50.7.tar.xz b/pango-1.50.12.tar.xz
similarity index 37%
rename from pango-1.50.7.tar.xz
rename to pango-1.50.12.tar.xz
index 420b62d1bc0797461b9cb586875ffc3b78a1cca0..953ea83adf5700f691844ffc3a51d38431b02500 100644
Binary files a/pango-1.50.7.tar.xz and b/pango-1.50.12.tar.xz differ
diff --git a/pango.spec b/pango.spec
index cab1707ee42bc813b232fc65cdf8ddd9ab892cf2..a01f2b89c766c3278a4f9b36963d9370c7def3bb 100644
--- a/pango.spec
+++ b/pango.spec
@@ -1,19 +1,43 @@
-Name: pango
-Version: 1.50.7
-Release: 2
-Summary: System for layout and rendering of internationalized text
-License: LGPLv2+
-URL:     https://pango.gnome.org/
-Source0: https://download.gnome.org/sources/%{name}/1.50/%{name}-%{version}.tar.xz
-
-BuildRequires:  pkgconfig(cairo) >= 1.12.10 pkgconfig(fontconfig) >= 2.13.0 pkgconfig(freetype2) >= 2.1.5
-BuildRequires:  pkgconfig(fribidi) >= 1.0.6 pkgconfig(glib-2.0) >= 2.62 pkgconfig(harfbuzz) >= 2.6.0 
-BuildRequires:  pkgconfig(xft) >= 2.0.0 pkgconfig(libthai) >= 0.1.9 pkgconfig(gobject-introspection-1.0) 
-BuildRequires:  cairo-gobject-devel meson help2man gcc gcc-c++ harfbuzz-help 
-BuildRequires:  pango
-
-Requires:       cairo >= 1.12.10 fontconfig >= 2.13.0 freetype >= 2.1.5 fribidi >= 1.0.6
-Requires:       glib2 >= 2.62 harfbuzz >= 2.6.0 libXft >= 2.0.0 libthai >= 0.1.9
+%global glib2_version 2.62
+%global fribidi_version 1.0.6
+%global libthai_version 0.1.9
+%global harfbuzz_version 2.6.0
+%global fontconfig_version 2.13.0
+%global libXft_version 2.0.0
+%global cairo_version 1.12.10
+%global freetype_version 2.1.5
+
+Name:          pango
+Version:       1.50.12
+Release:       1
+Summary:       System for layout and rendering of internationalized text
+License:       LGPLv2+
+URL:           https://pango.gnome.org/
+Source0:       https://download.gnome.org/sources/%{name}/1.50/%{name}-%{version}.tar.xz
+
+BuildRequires: pkgconfig(cairo) >= %{cairo_version}
+BuildRequires: pkgconfig(cairo-gobject) >= %{cairo_version}
+BuildRequires: pkgconfig(freetype2) >= %{freetype_version}
+BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version}
+BuildRequires: pkgconfig(fontconfig) >= %{fontconfig_version}
+BuildRequires: pkgconfig(harfbuzz) >= %{harfbuzz_version}
+BuildRequires: pkgconfig(libthai) >= %{libthai_version}
+BuildRequires: pkgconfig(xft) >= %{libXft_version}
+BuildRequires: pkgconfig(fribidi) >= %{fribidi_version}
+BuildRequires: pkgconfig(gobject-introspection-1.0)
+BuildRequires: help2man
+BuildRequires: meson
+BuildRequires: gcc gcc-c++
+BuildRequires: gi-docgen
+
+Requires:      glib2%{?_isa} >= %{glib2_version}
+Requires:      freetype%{?_isa} >= %{freetype_version}
+Requires:      fontconfig%{?_isa} >= %{fontconfig_version}
+Requires:      cairo%{?_isa} >= %{cairo_version}
+Requires:      harfbuzz%{?_isa} >= %{harfbuzz_version}
+Requires:      libthai%{?_isa} >= %{libthai_version}
+Requires:      libXft%{?_isa} >= %{libXft_version}
+Requires:      fribidi%{?_isa} >= %{fribidi_version}
 
 %description
 Pango is a library for laying out and rendering of text, with an emphasis
@@ -29,10 +53,13 @@ quality text handling and graphics rendering.
 
 %package devel
 Summary: Development files for pango
-Requires:       %{name} = %{version}-%{release} freetype-devel >= 2.1.5
-Requires:       glib2-devel >= 2.62 fontconfig-devel >= 2.13.0 cairo-devel >= 1.12.10
-Provides:       %{name}-tests = %{version}-%{release}
-Obsoletes:      %{name}-tests < %{version}-%{release}
+Requires:      pango%{?_isa} = %{version}-%{release}
+Requires:      glib2-devel%{?_isa} >= %{glib2_version}
+Requires:      freetype-devel%{?_isa} >= %{freetype_version}
+Requires:      fontconfig-devel%{?_isa} >= %{fontconfig_version}
+Requires:      cairo-devel%{?_isa} >= %{cairo_version}
+Provides:      %{name}-tests = %{version}-%{release}
+Obsoletes:     %{name}-tests < %{version}-%{release}
 
 %description devel
 The pango-devel package includes the header files and developer documentation
@@ -44,7 +71,7 @@ for the pango package.
 %autosetup -n %{name}-%{version} -p1
 
 %build
-%meson -Dinstall-tests=true
+%meson -Dinstall-tests=true -Dgtk_doc=true
 %meson_build
 
 %install
@@ -73,15 +100,24 @@ fi
 %{_includedir}/*
 %{_libdir}/pkgconfig/*
 %{_datadir}/gir-1.0/*.gir
-%{_libexecdir}/installed-tests/pango/
+%{_libexecdir}/installed-tests/%{name}
 %{_datadir}/installed-tests
 
 %files help
 %defattr(-,root,root)
 %doc NEWS 
 %{_mandir}/man1/pango-view.1.*
+%{_docdir}/Pango/
+%{_docdir}/PangoCairo/
+%{_docdir}/PangoFT2/
+%{_docdir}/PangoFc/
+%{_docdir}/PangoOT/
+%{_docdir}/PangoXft/
 
 %changelog
+* Mon Jan 02 2023 lin zhang <lin.zhang@turbolinux.com.cn> - 1.50.12-1
+- Upgrade to 1.50.12
+
 * Mon Jun 20 2022 lin zhang <lin.zhang@turbolinux.com.cn> - 1.50.7-2
 - remove meson option enable_docs