diff --git a/pkgs/development/libraries/gtk/4.x.nix b/pkgs/development/libraries/gtk/4.x.nix
index d90abc0068dd..65bb57e06678 100644
--- a/pkgs/development/libraries/gtk/4.x.nix
+++ b/pkgs/development/libraries/gtk/4.x.nix
@@ -63,7 +63,7 @@ in
 
 stdenv.mkDerivation rec {
   pname = "gtk4";
-  version = "4.10.1";
+  version = "4.10.3";
 
   outputs = [ "out" "dev" ] ++ lib.optionals x11Support [ "devdoc" ];
   outputBin = "dev";
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtk/${lib.versions.majorMinor version}/gtk-${version}.tar.xz";
-    sha256 = "6PysBLx3FbnaZnyRGl7o8mLiANHWpQrfI2RcqM/NAxE=";
+    sha256 = "RUVEGteeN3624KcFAm3HpGiG5GobA020CRKQnagBzqk=";
   };
 
   patches = [