diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8aabef3d..611795e2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,7 +10,7 @@ repos:
     -   id: check-added-large-files
 
 -   repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 24.3.0
     hooks:
     -   id: black
         language_version: python3.9
diff --git a/data/alibaba_loader.py b/data/alibaba_loader.py
index 2114d99e..caebb6b2 100644
--- a/data/alibaba_loader.py
+++ b/data/alibaba_loader.py
@@ -84,9 +84,9 @@ def __init__(
         self._workload_paths_and_release_policies = (
             self._construct_workload_definitions()
         )
-        self._job_graph_generators: Mapping[
-            str, Callable
-        ] = self._initialize_job_graph_generators()
+        self._job_graph_generators: Mapping[str, Callable] = (
+            self._initialize_job_graph_generators()
+        )
         self._release_times_and_profiles = self._construct_release_times()
 
         self._job_graphs: Mapping[str, Mapping[str, JobGraph]] = {}