diff --git a/pantab/_reader.py b/pantab/_reader.py
index 32915724..36db20bd 100644
--- a/pantab/_reader.py
+++ b/pantab/_reader.py
@@ -1,7 +1,7 @@
 import pathlib
 import shutil
 import tempfile
-from typing import Dict, Optional, Union
+from typing import Optional, Union
 
 import pandas as pd
 import pyarrow as pa
@@ -27,9 +27,9 @@ def frame_from_hyper(
 
 def frames_from_hyper(
     source: Union[str, pathlib.Path],
-) -> Dict[tab_api.TableName, pd.DataFrame]:
+) -> dict[tab_api.TableName, pd.DataFrame]:
     """See api.rst for documentation."""
-    result: Dict[TableType, pd.DataFrame] = {}
+    result: dict[TableType, pd.DataFrame] = {}
 
     table_names = []
     with tempfile.TemporaryDirectory() as tmp_dir, tab_api.HyperProcess(
diff --git a/pantab/_writer.py b/pantab/_writer.py
index 0068979b..f6b0b296 100644
--- a/pantab/_writer.py
+++ b/pantab/_writer.py
@@ -2,7 +2,7 @@
 import shutil
 import tempfile
 import uuid
-from typing import Dict, Optional, Union
+from typing import Optional, Union
 
 import pandas as pd
 import pyarrow as pa
@@ -33,7 +33,7 @@ def frame_to_hyper(
 
 
 def frames_to_hyper(
-    dict_of_frames: Dict[pantab_types.TableType, pd.DataFrame],
+    dict_of_frames: dict[pantab_types.TableType, pd.DataFrame],
     database: Union[str, pathlib.Path],
     table_mode: str = "w",
     *,