diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c921bc0..2fedfd8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,7 +24,7 @@ repos:
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: 'v0.4.8'
+    rev: 'v0.4.9'
     hooks:
       - id: ruff