diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 366248e..df2c279 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: 'https://github.com/astral-sh/ruff-pre-commit'
-    rev: 'v0.15.20'
+    rev: 'v0.15.21'
     hooks:
       - id: 'ruff'
         args: ['--fix']