diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index deca14b..8efe4d0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.4.5
+  rev: v0.4.9
   hooks:
     # Run the linter.
     - id: ruff