diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3c6640d3..578fb655 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
           - id: biome-format
             exclude: ^\.cruft\.json$ # inconsistent indentation with cruft - file never to be modified manually.
     - repo: https://github.com/astral-sh/ruff-pre-commit
-      rev: 2eeb5678de71a00c0902cbda7105d328432f72cb # frozen: v0.16.8
+      rev: a56c0b927e6465d37cae3e97d35d4d18ab2b96cd # frozen: v0.16.9
       hooks:
           - id: ruff-check
             args: [--fix, --exit-non-zero-on-fix, --unsafe-fixes]