diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 480495de..e3634513 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -50,8 +50,8 @@ jobs:
       matrix:
         python-version:
           - '3.10'
-          # - "3.11"  # no compatible pysam yet
-          # - "3.12"  # no compatible pysam yet
+          - '3.11'
+          - '3.12'
     needs: linting
     steps:
       - name: Install Python via conda
diff --git a/setup.py b/setup.py
index ec3f1487..b02b8f1a 100644
--- a/setup.py
+++ b/setup.py
@@ -47,10 +47,8 @@ def parse_requirements(path):
         "Topic :: Scientific/Engineering :: Bio-Informatics",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.10",
-        # We are missing bioconda pysam packages for 3.11 and 3.12, cf.
-        # https://github.com/bioconda/bioconda-recipes/issues/37805
-        # "Programming Language :: Python :: 3.11",
-        # "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
     ],
     entry_points={"console_scripts": ("cubi-tk = cubi_tk.__main__:main",)},
     description="Tooling for connecting GitLab, pipelines, and SODAR at CUBI.",
diff --git a/tests/test_seasnap_itransfer_results.py b/tests/test_seasnap_itransfer_results.py
index dbcc0488..3c879808 100644
--- a/tests/test_seasnap_itransfer_results.py
+++ b/tests/test_seasnap_itransfer_results.py
@@ -37,7 +37,7 @@ def test_run_seasnap_itransfer_results_nothing(capsys):
     assert res.err
 
 
-def test_run_seasnap_itransfer_results_smoke_test(mocker):
+def test_run_seasnap_itransfer_results_smoke_test(mocker, fs):
     # --- setup arguments
     dest_path = "/irods/dest"
     fake_base_path = "/base/path"
@@ -57,7 +57,6 @@ def test_run_seasnap_itransfer_results_smoke_test(mocker):
 
     # Setup fake file system but only patch selected modules.  We cannot use the Patcher approach here as this would
     # break biomedsheets.
-    fs = fake_filesystem.FakeFilesystem()
     fake_os = fake_filesystem.FakeOsModule(fs)
     fake_pl = fake_pathlib.FakePathlibModule(fs)
 
@@ -83,7 +82,6 @@ def test_run_seasnap_itransfer_results_smoke_test(mocker):
     fs.remove(fake_file_paths[3])
 
     # --- mock modules
-    mocker.patch("glob.os", fake_os)
     mocker.patch("cubi_tk.sea_snap.itransfer_results.pathlib", fake_pl)
     mocker.patch("cubi_tk.sea_snap.itransfer_results.os", fake_os)
     mocker.patch("cubi_tk.snappy.itransfer_common.os", fake_os)