diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 65bed49..027cb52 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3
diff --git a/holonote/annotate/table.py b/holonote/annotate/table.py
index fb7d348..c418438 100644
--- a/holonote/annotate/table.py
+++ b/holonote/annotate/table.py
@@ -243,7 +243,7 @@ def delete_annotation(self, index):
 
     def update_annotation_fields(self, index, **fields):
         for column, value in fields.items():
-            self._field_df.loc[index][column] = value
+            self._field_df.loc[index, column] = value
 
         self._edits.append({'operation':'update', 'id':index,
                             'fields' : [c for c in fields.keys()],
@@ -303,7 +303,7 @@ def define_points(self, dims, posx, posy=None):
             raise KeyError(f'Keys {mismatches} do not match any fields entries')
 
         dim2 = None if len(dims)==1 else dims[1]
-        value = zip(posx,  pd.Series([None for el in range(len(posx))])) if len(dims)==1 else zip(posx, posy)
+        value = zip(posx, [None] * len(posx)) if len(dims)==1 else zip(posx, posy)
         additions = pd.DataFrame({"region_type":'Point',
                                   "dim1":dims[0],
                                   "dim2":dim2,
diff --git a/holonote/tests/test_connectors.py b/holonote/tests/test_connectors.py
index 5047488..32f1d9b 100644
--- a/holonote/tests/test_connectors.py
+++ b/holonote/tests/test_connectors.py
@@ -78,7 +78,7 @@ def test_add_row(self, database, request):
         end = pd.Timestamp('2022-06-03')
         description = 'A description'
         insertion = {"uuid": id1, 'description':description, 'start':start, 'end':end}
-        df = pd.DataFrame({"uuid":pd.Series([id1], dtype=object),
+        df = pd.DataFrame({"uuid":[database.primary_key.cast(id1)],
                            'description':[description], 'start':[start], 'end':[end]}).set_index("uuid")
         database.add_row(**insertion)
         pd.testing.assert_frame_equal(database.load_dataframe(), df)
@@ -102,10 +102,12 @@ def test_add_three_rows_delete_one(self, database):
                      'start':pd.Timestamp('2026-06-01'),
                      'end':pd.Timestamp('2026-06-03')}
 
-        df_data = {'uuid': pd.Series([insertion1['uuid'], insertion3['uuid']], dtype=object),
-                   'description':[insertion1['description'], insertion3['description']],
-                   'start':[insertion1['start'], insertion3['start']],
-                   'end':[insertion1['end'], insertion3['end']]}
+        df_data = {
+            'uuid': map(database.primary_key.cast, [insertion1['uuid'], insertion3['uuid']]),
+            'description':[insertion1['description'], insertion3['description']],
+            'start':[insertion1['start'], insertion3['start']],
+            'end':[insertion1['end'], insertion3['end']]
+        }
         df = pd.DataFrame(df_data).set_index('uuid')
         database.add_row(**insertion1)
         database.add_row(**insertion2)
diff --git a/pyproject.toml b/pyproject.toml
index 65f5faf..11f79d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Operating System :: OS Independent",
 ]
-dependencies = ["holoviews", "pandas<2"]
+dependencies = ["holoviews", "pandas"]
 
 [tool.hatch.version]
 source = "vcs"
@@ -24,7 +24,7 @@ source = "vcs"
 [tool.hatch.envs.test]
 dependencies = ["pytest"]
 scripts.run = "python -m pytest holonote/tests"
-matrix = [{ python = ["3.8", "3.9", "3.10"] }]
+matrix = [{ python = ["3.8", "3.9", "3.10", "3.11"] }]
 
 [tool.hatch.envs.fmt]
 dependencies = ["pre-commit"]