diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7cc513c..177c217 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,7 +4,7 @@ ci:
 
 repos:
   - repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.2.0
     hooks:
       - id: black
         args:
diff --git a/app/api/crud.py b/app/api/crud.py
index 27b119a..96a4028 100644
--- a/app/api/crud.py
+++ b/app/api/crud.py
@@ -211,9 +211,11 @@ async def get(
                     dataset_total_subjects=matching_dataset_sizes[
                         dataset_uuid
                     ],
-                    dataset_portal_uri=group["dataset_portal_uri"].iloc[0]
-                    if group["dataset_portal_uri"].notna().all()
-                    else None,
+                    dataset_portal_uri=(
+                        group["dataset_portal_uri"].iloc[0]
+                        if group["dataset_portal_uri"].notna().all()
+                        else None
+                    ),
                     num_matching_subjects=group["sub_id"].nunique(),
                     records_protected=util.RETURN_AGG.val,
                     subject_data=subject_data,
diff --git a/tests/test_utility.py b/tests/test_utility.py
index e6049cb..e0f349b 100644
--- a/tests/test_utility.py
+++ b/tests/test_utility.py
@@ -1,4 +1,5 @@
 """Test utility functions."""
+
 from app.api import utility as util