diff --git a/pkgs/os-specific/darwin/xcode/default.nix b/pkgs/os-specific/darwin/xcode/default.nix
index 136b7baeb6d9..8052d58a8eb3 100644
--- a/pkgs/os-specific/darwin/xcode/default.nix
+++ b/pkgs/os-specific/darwin/xcode/default.nix
@@ -129,6 +129,8 @@ lib.makeExtensible (self: {
   xcode_26_3_Apple_silicon = requireXcode "26.3_Apple_silicon" "sha256-q2p45zqAZUH6Z1Q3DHbZgpuuFTjZoMPhEfFdeIUvclw=";
   xcode_26_4 = requireXcode "26.4_Universal" "sha256-0Cg4Ytu2+JOLEqw1ZZoB6hxFXNA2KriTLwLpT8bmA7I=";
   xcode_26_4_Apple_silicon = requireXcode "26.4_Apple_silicon" "sha256-urkJVqUY6+5z0YiEqCru9M/OneDLAMzdGfOt7i3d1WI=";
+  xcode_26_4_1 = requireXcode "26.4.1_Universal" "sha256-N9QgPKfZV64gJPlr4r/0gPS0yAgJd3a+qlr0YbzMCU4=";
+  xcode_26_4_1_Apple_silicon = requireXcode "26.4.1_Apple_silicon" "sha256-8MtGX97e/2+zvY2Et9Jm9eXqVmyr+U02UqsKmffh9hs=";
   xcode =
     self."xcode_${
       lib.replaceStrings [ "." ] [ "_" ] (
diff --git a/pkgs/top-level/darwin-packages.nix b/pkgs/top-level/darwin-packages.nix
index fa9b60790eff..b508524c4d61 100644
--- a/pkgs/top-level/darwin-packages.nix
+++ b/pkgs/top-level/darwin-packages.nix
@@ -162,6 +162,8 @@ makeScopeWithSplicing' {
         xcode_26_3_Apple_silicon
         xcode_26_4
         xcode_26_4_Apple_silicon
+        xcode_26_4_1
+        xcode_26_4_1_Apple_silicon
         xcode
         requireXcode
         ;