diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 76cda31b..5bfc1b1b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,7 +6,7 @@ repos:
             files: pycrostates
 
     - repo: https://github.com/astral-sh/ruff-pre-commit
-      rev: v0.1.8
+      rev: v0.1.9
       hooks:
           - id: ruff
             name: ruff linter