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 09d07cfef3140..ff78b25c2a399 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin/default.nix
@@ -17,11 +17,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "xfce4-genmon-plugin";
-  version = "4.2.0";
+  version = "4.2.1";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-lI0I7l8hQIR/EJtTG8HUzGJoSWkT6nYA08WtiQJaA2I=";
+    sha256 = "sha256-3lQFYuHqWPNanIFeIHNtJq9UGgqTcgERSMt1tfC2WVE=";
   };
 
   nativeBuildInputs = [