diff --git a/.gitignore b/.gitignore
index 48d7cb3..5c062af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,5 @@ xfce4-dev-tools-4.7.2.tar.bz2
 /xfce4-dev-tools-4.16.0.tar.bz2
 /xfce4-dev-tools-4.18.0.tar.bz2
 /xfce4-dev-tools-4.18.1.tar.bz2
+/xfce4-dev-tools-4.19.4.tar.bz2
+/xfce4-dev-tools-4.20.0.tar.bz2
diff --git a/sources b/sources
index 38ba8dd..5bb3aad 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (xfce4-dev-tools-4.18.1.tar.bz2) = 8fa65aa57450d3e65ef55bf86e8a113c06e64289a9f71875049b422da2a8bdfcdd36c3a3e94a3c0e7c602a3e9577eca14d63318489f81fd88d6743e188636304
+SHA512 (xfce4-dev-tools-4.20.0.tar.bz2) = 2ee8d0e4512c326ad404310f15081a8c6eec026634bcc2e76873cecc5b4356c3425d883c07f05e5a76a500c135d62809e6323f318ac6fc33d16023a9c5bd5441
diff --git a/xfce4-dev-tools.spec b/xfce4-dev-tools.spec
index f2348ef..3238395 100644
--- a/xfce4-dev-tools.spec
+++ b/xfce4-dev-tools.spec
@@ -1,14 +1,15 @@
-%global xfceversion 4.18
+%global prerel pre1
+%global xfceversion 4.20
 
 Name:           xfce4-dev-tools
-Version:        4.18.1
+Version:        4.20.0
 Release:        %autorelease
 Summary:        Xfce developer tools
 
-License:        GPLv2+
-URL:            http://xfce.org/~benny/projects/xfce4-dev-tools/
-#VCS git:git://git.xfce.org/xfce/xfce4-dev-tools
-Source0:        http://archive.xfce.org/src/xfce/xfce4-dev-tools/%{xfceversion}/%{name}-%{version}.tar.bz2
+License:        GPL-2.0-or-later
+URL:            https://docs.xfce.org/xfce/xfce4-dev-tools/start
+#VCS git:https://gitlab.xfce.org/xfce/xfce4-dev-tools.git
+Source0:        http://archive.xfce.org/xfce/%{xfceversion}/src/%{name}-%{version}.tar.bz2
 
 BuildRequires:  gettext-devel
 BuildRequires:  libtool
@@ -16,6 +17,7 @@ BuildRequires:  intltool
 BuildRequires:  make
 BuildRequires:  glib2-devel
 BuildRequires:  libxslt-devel
+BuildRequires:  meson
 Requires:       autoconf
 Requires:       automake
 Requires:       gawk
@@ -26,10 +28,10 @@ Requires:       intltool
 
 %description
 This package contains common tools required by Xfce developers and people
-that want to build Xfce from SVN.
+that want to build Xfce from Git.
 
 %prep
-%setup -q
+%autosetup
 
 %build
 %configure
@@ -48,7 +50,9 @@ that want to build Xfce from SVN.
 %{_bindir}/xfce-get-translations
 %{_bindir}/xfce-update-news
 %{_bindir}/xdt-autogen
+%{_bindir}/xdt-check-abi
 %{_bindir}/xdt-csource
+%{_bindir}/xdt-gen-visibility
 %{_datadir}/aclocal/*
 %{_mandir}/man1/xdt-csource.1.gz