diff --git a/pkgs/development/python-modules/finetuning-scheduler/default.nix b/pkgs/development/python-modules/finetuning-scheduler/default.nix
index 7ed20b6d9aa0..97fdf1ffce11 100644
--- a/pkgs/development/python-modules/finetuning-scheduler/default.nix
+++ b/pkgs/development/python-modules/finetuning-scheduler/default.nix
@@ -37,6 +37,11 @@ buildPythonPackage rec {
     })
   ];
 
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "setuptools<77.0.0" "setuptools"
+  '';
+
   build-system = [ setuptools ];
 
   pythonRelaxDeps = [