diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b9e6a43..08bc79d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,7 +27,7 @@ repos:
 
   # Autoformat: Python code
   - repo: https://github.com/psf/black
-    rev: 23.10.1
+    rev: 24.1.1
     hooks:
       - id: black
         args:
@@ -36,7 +36,7 @@ repos:
 
   # Autoformat: Python code
   - repo: https://github.com/pycqa/isort
-    rev: 5.12.0
+    rev: 5.13.2
     hooks:
       - id: isort
         args:
@@ -44,14 +44,14 @@ repos:
 
   # Autoformat: markdown, yaml (but not helm templates)
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.3
+    rev: v4.0.0-alpha.8
     hooks:
       - id: prettier
         exclude: binderhub-service/templates/.*
 
   # Linting: Python code (see the file .flake8)
   - repo: https://github.com/PyCQA/flake8
-    rev: "6.1.0"
+    rev: "7.0.0"
     hooks:
       - id: flake8
         # Ignore style and complexity
diff --git a/binderhub-service/mounted-files/binderhub_config.py b/binderhub-service/mounted-files/binderhub_config.py
index 03057ca..7cf92a9 100644
--- a/binderhub-service/mounted-files/binderhub_config.py
+++ b/binderhub-service/mounted-files/binderhub_config.py
@@ -2,6 +2,7 @@
 This configuration file is mounted to be read by binderhub with the sole purpose
 of loading chart configuration passed via "config" and "extraConfig".
 """
+
 from functools import lru_cache
 
 from ruamel.yaml import YAML