diff --git a/pkgs/desktops/gnome-3/core/mutter/default.nix b/pkgs/desktops/gnome-3/core/mutter/default.nix
index 1ac0be1b1945..07e3b536a410 100644
--- a/pkgs/desktops/gnome-3/core/mutter/default.nix
+++ b/pkgs/desktops/gnome-3/core/mutter/default.nix
@@ -42,13 +42,13 @@
 
 let self = stdenv.mkDerivation rec {
   pname = "mutter";
-  version = "3.38.2";
+  version = "3.38.3";
 
   outputs = [ "out" "dev" "man" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/mutter/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "03a612m0c7v6y72bs3ghmpyk49177fzq6gdy1jrz4608vnalx5yr";
+    sha256 = "sha256-sjIec9Hj/i6Q5jAfQrugf02UvGR1aivxPXWunW+qIB8=";
   };
 
   patches = [