diff --git a/pkgs/by-name/xo/xorg-server/package.nix b/pkgs/by-name/xo/xorg-server/package.nix
index 271d279dd4a4b..05ca3b60a138d 100644
--- a/pkgs/by-name/xo/xorg-server/package.nix
+++ b/pkgs/by-name/xo/xorg-server/package.nix
@@ -65,13 +65,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "xorg-server";
-  version = "21.1.20";
+  version = "21.1.21";
 
   outputs = [ "out" ] ++ lib.optional (!stdenv.hostPlatform.isDarwin) "dev";
 
   src = fetchurl {
     url = "mirror://xorg/individual/xserver/xorg-server-${finalAttrs.version}.tar.xz";
-    hash = "sha256-dpW8YYJLOoG2utL3iwVADKAVAD3kAtGzIhFxBbcC6Tc=";
+    hash = "sha256-wMvlVFs/ZFuuYCS4MNHRFUqVY1BoOk5Ssv/1sPoatRk=";
   };
 
   patches =