diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 37008d6b..8b58669b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -35,7 +35,7 @@ repos:
         - tomli
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: 'v0.8.6'
+  rev: 'v0.9.1'
   hooks:
     - id: ruff
       args: ["--fix", "--show-fixes"]
diff --git a/docs/conf.py b/docs/conf.py
index 408791d9..528baf04 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -111,7 +111,7 @@ def check_sphinx_version(expected_version):
 # General information about the project
 project = setup_cfg["name"]
 primary_author = setup_cfg["authors"][0]
-author = f'{primary_author["name"]} <{primary_author["email"]}>'
+author = f"{primary_author['name']} <{primary_author['email']}>"
 copyright = f"{datetime.datetime.now().year}, {author}"
 
 # The version info for the project you're documenting, acts as replacement for