diff --git a/src/gene/database/postgresql.py b/src/gene/database/postgresql.py
index 2f6fcd7..2b18c44 100644
--- a/src/gene/database/postgresql.py
+++ b/src/gene/database/postgresql.py
@@ -1,11 +1,11 @@
 """Provide PostgreSQL client."""
 import atexit
+import datetime
 import json
 import logging
 import os
 import tarfile
 import tempfile
-from datetime import datetime
 from pathlib import Path
 from typing import Any, ClassVar, Dict, Generator, List, Optional, Set, Tuple
 
@@ -832,7 +832,7 @@ def export_db(self, output_directory: Path) -> None:
                 f"Output location {output_directory} isn't a directory or doesn't exist"
             )
             raise ValueError(err_msg)
-        now = datetime.now(tz=datetime.timezone.utc).strftime("%Y%m%d%H%M%S")
+        now = datetime.datetime.now(tz=datetime.timezone.utc).strftime("%Y%m%d%H%M%S")
         output_location = output_directory / f"gene_norm_{now}.sql"
         user = self.conn.info.user
         host = self.conn.info.host
diff --git a/src/gene/query.py b/src/gene/query.py
index 692f795..62f8890 100644
--- a/src/gene/query.py
+++ b/src/gene/query.py
@@ -1,6 +1,6 @@
 """Provides methods for handling queries."""
+import datetime
 import re
-from datetime import datetime
 from typing import Any, Callable, Dict, List, Optional, Set, Tuple, TypeVar
 
 from ga4gh.core import core_models, ga4gh_identify
@@ -283,7 +283,7 @@ def _get_service_meta() -> ServiceMeta:
         """
         return ServiceMeta(
             version=__version__,
-            response_datetime=str(datetime.now(tz=datetime.timezone.utc)),
+            response_datetime=str(datetime.datetime.now(tz=datetime.timezone.utc)),
         )
 
     def search(
@@ -560,7 +560,7 @@ def _prepare_normalized_response(self, query: str) -> Dict[str, Any]:
             "warnings": self._emit_warnings(query),
             "service_meta_": ServiceMeta(
                 version=__version__,
-                response_datetime=str(datetime.now(tz=datetime.timezone.utc)),
+                response_datetime=str(datetime.datetime.now(tz=datetime.timezone.utc)),
             ),
         }