diff --git a/pkgs/os-specific/darwin/xcode/default.nix b/pkgs/os-specific/darwin/xcode/default.nix
index 597d9bf7cbd2..5e22d26a0262 100644
--- a/pkgs/os-specific/darwin/xcode/default.nix
+++ b/pkgs/os-specific/darwin/xcode/default.nix
@@ -125,6 +125,8 @@ lib.makeExtensible (self: {
   xcode_26_1_1_Apple_silicon = requireXcode "26.1.1_Apple_silicon" "sha256-5dZ1O7iD2CF8R4TBeBLkaKLe/WOi8CMJJ1/Bg+uitCw=";
   xcode_26_2 = requireXcode "26.2_Universal" "sha256-uCw71PjAuvtKTIpcYsiFSjUZQnIBIpIoOm1QaaYHD7k=";
   xcode_26_2_Apple_silicon = requireXcode "26.2_Apple_silicon" "sha256-YxMVppJwRzTA6xWOILxVjLdl0bNmtZSifG/KQx6inRE=";
+  xcode_26_3 = requireXcode "26.3_Universal" "sha256-qrPSc036x3tW1TWWfX10+IS2c08dRCa6KFc+++35ueM=";
+  xcode_26_3_Apple_silicon = requireXcode "26.3_Apple_silicon" "sha256-q2p45zqAZUH6Z1Q3DHbZgpuuFTjZoMPhEfFdeIUvclw=";
   xcode =
     self."xcode_${
       lib.replaceStrings [ "." ] [ "_" ] (
diff --git a/pkgs/top-level/darwin-packages.nix b/pkgs/top-level/darwin-packages.nix
index b8328fe2a482..65b9ce2a7db1 100644
--- a/pkgs/top-level/darwin-packages.nix
+++ b/pkgs/top-level/darwin-packages.nix
@@ -181,6 +181,8 @@ makeScopeWithSplicing' {
           xcode_26_1_1_Apple_silicon
           xcode_26_2
           xcode_26_2_Apple_silicon
+          xcode_26_3
+          xcode_26_3_Apple_silicon
           xcode
           requireXcode
           ;