diff --git a/pkgs/development/python-modules/finetuning-scheduler/default.nix b/pkgs/development/python-modules/finetuning-scheduler/default.nix
index 85b46d882a52..bf61fe277f3f 100644
--- a/pkgs/development/python-modules/finetuning-scheduler/default.nix
+++ b/pkgs/development/python-modules/finetuning-scheduler/default.nix
@@ -17,24 +17,16 @@
 
 buildPythonPackage rec {
   pname = "finetuning-scheduler";
-  version = "2.9.0";
+  version = "2.9.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "speediedan";
     repo = "finetuning-scheduler";
     tag = "v${version}";
-    hash = "sha256-AfkrWuqpFS71Zrh5NsamzxMitKCsqPF50F9zTDdDhRg=";
+    hash = "sha256-6v7KhY2dOc/Sbw85UO9KVDSS0+4DJ+VWrQ5Tg5E8Ddc=";
   };
 
-  # See https://github.com/speediedan/finetuning-scheduler/pull/21
-  postPatch = ''
-    substituteInPlace src/finetuning_scheduler/strategy_adapters/base.py \
-      --replace-fail \
-        "from lightning.fabric.utilities.types import ReduceLROnPlateau" \
-        "from torch.optim.lr_scheduler import ReduceLROnPlateau"
-  '';
-
   build-system = [ setuptools ];
 
   pythonRelaxDeps = [