diff --git a/nix/overlay.nix b/nix/overlay.nix
index d8f6b2d1a1..17f0caf0c1 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -70,4 +70,9 @@ in rec {
       })
     ];
   }));
-}
+
+  # Override darwin.apple_sdk globally
+  darwin = prev.darwin // {
+    apple_sdk = prev.darwin.apple_sdk_11_0;
+  }
+}
\ No newline at end of file