diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0e93465ca..0d2255c4d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -113,7 +113,9 @@ jobs:
       if: matrix.os == 'ubuntu-latest'
       id: clone-services
       run: |
-        git clone --depth 1 https://github.com/openml/services.git
+        # 2026-11-05: Services switched to SeaweedFS and the MinIO client cannot handle the new URLs.
+        # We use the old stack until we have migrated away from the MinIO client
+        git clone --revision dd8b98a9e0450bf487f973e1711c8b00dc022294 --depth 1 https://github.com/openml/services.git
 
     - name: Start Docker Services
       id: start-services
diff --git a/tests/test_api/test_datasets.py b/tests/test_api/test_datasets.py
index b809a734c..e104f3fb0 100644
--- a/tests/test_api/test_datasets.py
+++ b/tests/test_api/test_datasets.py
@@ -126,14 +126,27 @@ def test_v1_get_qualities(dataset_v1):
     reason="Test requires admin key. Set OPENML_TEST_SERVER_ADMIN_KEY environment variable.",
 )
 @pytest.mark.test_server
-def test_v1_status_update(dataset_v1):
+def test_v1_status_update(dataset_v1, static_cache_dir):
     openml.config.apikey = TestBase.admin_key
+    arff_file_path = (
+        static_cache_dir
+        / "org"
+        / "openml"
+        / "test"
+        / "data"
+        / "download"
+        / "1666876"
+        / "phpFsFYVN"
+        / "body.arff"
+    )
     new_dataset = OpenMLDataset(
-        f"TEST-{time.time()!s}-UploadTestWithURL",
+        f"TEST-{time.time()!s}-UploadTestWithFile",
         "test",
-        "ARFF",
+        data_format="arff",
         version=1,
-        url="https://www.openml.org/data/download/61/dataset_61_iris.arff",
+        licence="public",
+        default_target_attribute="class",
+        data_file=arff_file_path,
     )
     new_dataset.publish()
     _status_update_check(dataset_v1, new_dataset.dataset_id, "deactivated")
diff --git a/tests/test_datasets/test_dataset_functions.py b/tests/test_datasets/test_dataset_functions.py
index 5f0ba5e4f..f71dc3858 100644
--- a/tests/test_datasets/test_dataset_functions.py
+++ b/tests/test_datasets/test_dataset_functions.py
@@ -547,10 +547,18 @@ def _assert_status_of_dataset(self, *, did: int, status: str):
     @pytest.mark.test_server
     def test_data_status(self):
         arff_file_path = (
-            self.static_cache_dir / "org" / "openml" / "test" / "datasets" / "2" / "dataset.arff"
+            self.static_cache_dir
+            / "org"
+            / "openml"
+            / "test"
+            / "data"
+            / "download"
+            / "1666876"
+            / "phpFsFYVN"
+            / "body.arff"
         )
         dataset = OpenMLDataset(
-            "anneal",
+            f"TEST-{time.time()!s}-UploadTestWithFile",
             "test",
             data_format="arff",
             version=1,
@@ -559,6 +567,7 @@ def test_data_status(self):
             data_file=arff_file_path,
         )
         dataset.publish()
+        dataset.publish()
         TestBase._mark_entity_for_removal("data", dataset.dataset_id)
         TestBase.logger.info(
             f"collected from {__file__.split('/')[-1]}: {dataset.dataset_id}",
diff --git a/tests/test_flows/test_flow.py b/tests/test_flows/test_flow.py
index a6130371a..4c4581089 100644
--- a/tests/test_flows/test_flow.py
+++ b/tests/test_flows/test_flow.py
@@ -128,6 +128,7 @@ def test_get_structure():
 
 
 def test_tagging():
+    # Not possible as a marker since autouse fixtures change the configuration
     flows = openml.flows.list_flows(size=1)
     flow_id = flows["id"].iloc[0]
     flow = openml.flows.get_flow(flow_id)
@@ -136,7 +137,17 @@ def test_tagging():
     tag = f"test_tag_TestFlow_{unique_indicator}"
     flows = openml.flows.list_flows(tag=tag)
     assert len(flows) == 0
-    flow.push_tag(tag)
+    try:
+        flow.push_tag(tag)
+    except openml.exceptions.OpenMLServerException as e:
+        # pytest.mark.xfail doesn't work because the autouse fixtures change server config
+        reason = "There is an issue with Elasticsearch on the test server since Oct 2026."
+        test_server = openml.config.get_server_base_url() == "https://test.openml.org"
+        elastic_search_error = "Elastic Search" in e.message
+        if test_server and elastic_search_error:
+            pytest.xfail(reason)
+        raise
+
     flows = openml.flows.list_flows(tag=tag)
     assert len(flows) == 1
     assert flow_id in flows["id"].values