diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 173f0a2..3e4a11a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,19 +3,19 @@
 repos:
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.15.0
+    rev: v3.15.1
     hooks:
       - id: pyupgrade
         args: ["--py38-plus"]
 
   - repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.15.0
+    rev: 1.16.0
     hooks:
       - id: django-upgrade
         args: ["--target-version", "3.0"]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.15
+    rev: v0.3.2
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
diff --git a/treenode/admin.py b/treenode/admin.py
index ff697f3..026adc0 100644
--- a/treenode/admin.py
+++ b/treenode/admin.py
@@ -5,7 +5,6 @@
 
 
 class TreeNodeModelAdmin(admin.ModelAdmin):
-
     """
     Usage: