diff --git a/.github/workflows/all-tests.yml b/.github/workflows/all-tests.yml
index 1ddbf10d69..d7e9e4aa67 100644
--- a/.github/workflows/all-tests.yml
+++ b/.github/workflows/all-tests.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.13"]  # Lower and higher versions we support
+        python-version: ["3.9", "3.13.3"]  # Lower and higher versions we support, bug in 3.13.4 adjust when fixed
         os: [macos-latest, windows-latest, ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index 3e1e86348b..2b3e746e4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ authors = [
 ]
 description = "Python toolkit for analysis, visualization, and comparison of spike sorting output"
 readme = "README.md"
-requires-python = ">=3.9,<3.14"
+requires-python = ">=3.9,<3.13.4" # limit until Windows bug is fixed.
 classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "License :: OSI Approved :: MIT License",
diff --git a/src/spikeinterface/sorters/tests/test_launcher.py b/src/spikeinterface/sorters/tests/test_launcher.py
index 203f20b7e6..408e72173e 100644
--- a/src/spikeinterface/sorters/tests/test_launcher.py
+++ b/src/spikeinterface/sorters/tests/test_launcher.py
@@ -193,8 +193,7 @@ def test_run_sorter_jobs_slurm_kwargs(mocker, tmp_path, job_list):
         engine="slurm",
         engine_kwargs=None,
     )
-    tmp_script_folder = "_".join(tempfile.mkdtemp(prefix="spikeinterface_slurm_").split("_")[:-1])
-    assert tmp_script_folder in mock_subprocess_run.call_args_list[-1].args[0][5]
+    assert "spikeinterface_slurm_" in mock_subprocess_run.call_args_list[-1].args[0][5]
 
 
 def test_run_sorter_by_property(create_cache_folder):