diff --git a/pkgs/desktops/mate/mate-power-manager/default.nix b/pkgs/desktops/mate/mate-power-manager/default.nix
index 8ed54b558ae..6da587cd4e9 100644
--- a/pkgs/desktops/mate/mate-power-manager/default.nix
+++ b/pkgs/desktops/mate/mate-power-manager/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-power-manager-${version}";
-  version = "1.20.3";
+  version = "1.22.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "17x47j5dkxxsq63bv2jwf3xgnddyy2dya4y14ryivq8q3jh5yhr5";
+    sha256 = "03c09h41qfz83wmjfvwzkq4xqc54aswmki4h034qcxbgfnyfmk1i";
   };
 
   buildInputs = [