diff --git a/pkgs/development/python-modules/scikit-build-core/default.nix b/pkgs/development/python-modules/scikit-build-core/default.nix
index a436bb78aa32..5e2e86cca1d8 100644
--- a/pkgs/development/python-modules/scikit-build-core/default.nix
+++ b/pkgs/development/python-modules/scikit-build-core/default.nix
@@ -1,7 +1,9 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   # build-system
   hatch-vcs,
@@ -37,7 +39,15 @@ buildPythonPackage rec {
     hash = "sha256-zBTDacTkeclz+/X0SUl1xkxLz4zsfeLOD4Ew0V1Y1iU=";
   };
 
-  postPatch = "";
+  # TODO: Rebuild avoidance; clean up on `staging`.
+  ${if stdenv.hostPlatform.isDarwin then "patches" else null} = [
+    # Backport an upstream commit to fix the tests on Darwin.
+    (fetchpatch {
+      url = "https://github.com/scikit-build/scikit-build-core/commit/c30f52a3b2bd01dc05f23d3b89332c213006afe0.patch";
+      excludes = [ ".github/workflows/ci.yml" ];
+      hash = "sha256-5E9QfF5UcSNY1wzHzieEEHEPYzPjUTb66CKCodYb9vo=";
+    })
+  ];
 
   build-system = [
     hatch-vcs