diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 99d48e3..fa41800 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ ci:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: cef0300fd0fc4d2a87a85fa2093c6b283ea36f4b # frozen: v5.0.0
+    rev: 3e8a8703264a2f4a69428a0aa4dcb512790b2c8c # frozen: v6.0.0
     hooks:
       - id: check-added-large-files
       - id: check-ast
@@ -25,21 +25,21 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/rbubley/mirrors-prettier
-    rev: bc7af46104f0f5368b95878decf720f9f00c2559 # frozen: v3.4.2
+    rev: b40b4e02d5a0c977e64da51e8742e3240ef6372a # frozen: v3.9.7
     hooks:
       - id: prettier
         files: \.(css|html|md|yml|yaml|toml)
         args: [--prose-wrap=preserve]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: f0b5944bef86f50d875305821a0ab0d8c601e465 # frozen: v0.8.4
+    rev: 2eeb5678de71a00c0902cbda7105d328432f72cb # frozen: v0.16.8
     hooks:
       - id: ruff
         args: ["--fix", "--show-fixes", "--exit-non-zero-on-fix"]
       - id: ruff-format
 
   - repo: https://github.com/codespell-project/codespell
-    rev: "193cd7d27cd571f79358af09a8fb8997e54f8fff" # frozen: v2.3.0
+    rev: "57b21406f092110c18776e39b0bda50d37c945c8" # frozen: v2.4.3
     hooks:
       - id: codespell
 
diff --git a/LICENSE.txt b/LICENSE.txt
index 298cfcb..e378820 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2023, Scientific Python
+Copyright (c) 2023-2026, Scientific Python
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
diff --git a/pyproject.toml b/pyproject.toml
index edd170c..fd6735f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 changelist = "changelist.__main__:main"
 
 [project.optional-dependencies]
-lint = ["pre-commit == 4.3.0"]
+lint = ["pre-commit == 4.6.2"]
 test = ["pytest", "pytest-cov"]
 
 [tool.changelist]
diff --git a/src/changelist/_cli.py b/src/changelist/_cli.py
index 6dbfc10..8ed918f 100644
--- a/src/changelist/_cli.py
+++ b/src/changelist/_cli.py
@@ -3,8 +3,8 @@
 import os
 import sys
 import tempfile
+from collections.abc import Callable
 from pathlib import Path
-from typing import Callable
 
 import requests_cache
 from github import Github
@@ -162,7 +162,7 @@ def main(
 
     Formatter = {"md": MdFormatter, "rst": RstFormatter}[format]
     formatter = Formatter(
-        repo_name=org_repo.split("/")[-1],
+        repo_name=org_repo.rsplit("/", maxsplit=1)[-1],
         change_notes=change_notes,
         authors=Contributor.from_named_users(authors),
         reviewers=Contributor.from_named_users(reviewers),
diff --git a/src/changelist/_objects.py b/src/changelist/_objects.py
index 76ff3e0..1da4b41 100644
--- a/src/changelist/_objects.py
+++ b/src/changelist/_objects.py
@@ -27,7 +27,7 @@ def from_pull_requests(
         *,
         pr_summary_regex: str,
         pr_summary_label_regex: str,
-        ignore_prs_by_username: Optional[list[str]] = None,
+        ignore_prs_by_username: list[str] | None = None,
     ) -> "set[ChangeNote]":
         """Create a set of notes from pull requests.
 
@@ -112,7 +112,7 @@ class Contributor:
      contributor's GitHub profile.
     """
 
-    name: Union[str, None]
+    name: str | None
     login: str
     reference_url: str
 
diff --git a/test/test_objects.py b/test/test_objects.py
index 320b38b..4865b7c 100644
--- a/test/test_objects.py
+++ b/test/test_objects.py
@@ -31,7 +31,7 @@ class _MockPullRequest:
     """Mocks github.PullRequest.PullRequest partially."""
 
     title: str
-    body: Union[str, None]
+    body: str | None
     labels: list[_MockLabel]
     user: _MockUser = field(default_factory=lambda: _MockUser(login="friendlyDev"))
     number: int = (42,)