diff --git a/.gitignore b/.gitignore
index d7faf27..9fd9b88 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,2 @@
-xfce4-systemload-plugin-0.4.2.tar.bz2
-/xfce4-systemload-plugin-1.0.0.tar.bz2
-/xfce4-systemload-plugin-1.1.0.tar.bz2
-/xfce4-systemload-plugin-1.1.1.tar.bz2
-/xfce4-systemload-plugin-1.1.2.tar.bz2
-/xfce4-systemload-plugin-1.2.0.tar.bz2
-/xfce4-systemload-plugin-1.2.1.tar.bz2
-/xfce4-systemload-plugin-1.2.2.tar.bz2
-/xfce4-systemload-plugin-1.2.3.tar.bz2
-/xfce4-systemload-plugin-1.2.4.tar.bz2
-/xfce4-systemload-plugin-1.3.0.tar.bz2
-/xfce4-systemload-plugin-1.3.1.tar.bz2
-/xfce4-systemload-plugin-1.3.3.tar.bz2
+/xfce4-systemload-plugin-*.tar.bz2
+/xfce4-systemload-plugin-*.tar.xz
diff --git a/sources b/sources
index e5dd37d..897b246 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (xfce4-systemload-plugin-1.3.3.tar.bz2) = 5dd74af41df01af1cf064effd33e13f26f530ffe0a043cce7b6519187393099a4da7e8c8e035c50796d1d19f09e38d2d75966e1e4fa5d1db8cb44d0e020a802c
+SHA512 (xfce4-systemload-plugin-1.4.0.tar.xz) = ebb444eb91f032eb64f5b38e14d1a6e9e23ac0c38f41705d389e48878540663556435d26997de88a3116351bd72db8b02718cdd525961f8e35c62a3980438e68
diff --git a/xfce4-systemload-plugin.spec b/xfce4-systemload-plugin.spec
index d4b68be..c96988e 100644
--- a/xfce4-systemload-plugin.spec
+++ b/xfce4-systemload-plugin.spec
@@ -1,32 +1,31 @@
 # Review: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=173668
+# VCS   https://gitlab.xfce.org/panel-plugins/xfce4-systemload-plugin
 
-%global minorversion 1.3
-%global xfceversion 4.16
+%global minorversion 1.4
+%global xfceversion 4.20
 
 Name:           xfce4-systemload-plugin
-Version:        1.3.3
+Version:        1.4.0
 Release:        %autorelease
 Summary:        Systemload monitor for the Xfce panel
 
-# Automatically converted from old format: BSD - review is highly recommended.
-License:        LicenseRef-Callaway-BSD
-URL:            http://goodies.xfce.org/projects/panel-plugins/%{name}
-#VCS: git:git://git.xfce.org/panel-plugins/xfce4-systemload-plugin
-Source0:        http://archive.xfce.org/src/panel-plugins/%{name}/%{minorversion}/%{name}-%{version}.tar.bz2
+License:        BSD-2-Clause
+URL:            https://docs.xfce.org/panel-plugins/xfce4-systemload-plugin
+Source0:        https://archive.xfce.org/src/panel-plugins/%{name}/%{minorversion}/%{name}-%{version}.tar.xz
 
 %if 0%{?fedora} >= 39
 ExcludeArch:    %{ix86}
 %endif
 
-
-
-BuildRequires:  make
 BuildRequires:  gcc-c++
-BuildRequires:  libxfce4ui-devel >= %{xfceversion}
-BuildRequires:  xfce4-panel-devel >= %{xfceversion}
-BuildRequires:  upower-devel
 BuildRequires:  gettext
-BuildRequires:  intltool
+BuildRequires:  libgtop2-devel
+BuildRequires:  libxfce4ui-devel >= %{xfceversion}
+BuildRequires:  libxfce4util-devel
+BuildRequires:  meson
+BuildRequires:  upower-devel
+BuildRequires:  xfce4-panel-devel >= %{xfceversion}
+BuildRequires:  xfconf-devel
 
 Requires:       xfce4-panel >= %{xfceversion}
 
@@ -36,29 +35,32 @@ load, the memory in use, the swap space and the system uptime.
 
 
 %prep
-%setup -q
+%autosetup
 
 
 %build
-%configure --disable-static
-%make_build
+%meson
+%meson_build
+
+
+%check
+%meson_test
 
 
 %install
-%make_install
+%meson_install
 
-# remove la file
-find %{buildroot} -name '*.la' -exec rm -f {} ';'
-
-# FIXME: make sure debuginfo is generated properly (#795107)
-chmod -c +x %{buildroot}%{_libdir}/xfce4/panel/plugins/*.so
+# Rename non-standard hye locale to hy
+if [ -d %{buildroot}%{_datadir}/locale/hye ]; then
+    mv %{buildroot}%{_datadir}/locale/hye %{buildroot}%{_datadir}/locale/hy
+fi
 
 %find_lang %{name}
 
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS ChangeLog NEWS
+%doc AUTHORS NEWS README.md
 %{_libdir}/xfce4/panel/plugins/*.so
 %{_datadir}/xfce4/panel/plugins/*.desktop
 %{_datadir}/icons/hicolor/*/apps/org.xfce.panel.systemload.*