diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0468d28..539e3f9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,7 +4,7 @@ fail_fast: false
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: 'v0.4.8'
+    rev: 'v0.4.9'
     hooks:
       - id: ruff
   - repo: https://github.com/pre-commit/pre-commit-hooks