diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix
index 6a43c237037b..2219ce754af8 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix
@@ -5,6 +5,7 @@
 , intltool
 , libxfce4util
 , xfce4-panel
+, xfconf
 , libxfce4ui
 , gtk3
 , gitUpdater
@@ -14,11 +15,11 @@ let
   category = "panel-plugins";
 in stdenv.mkDerivation rec {
   pname  = "xfce4-genmon-plugin";
-  version = "4.1.1";
+  version = "4.2.0";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-shGf0P8Z+ik7l+yXsN6OJBeZ4IuGIYUVFnxWi9m1ATU=";
+    sha256 = "sha256-lI0I7l8hQIR/EJtTG8HUzGJoSWkT6nYA08WtiQJaA2I=";
   };
 
   nativeBuildInputs = [
@@ -30,6 +31,7 @@ in stdenv.mkDerivation rec {
     libxfce4util
     libxfce4ui
     xfce4-panel
+    xfconf
     gtk3
   ];