diff --git a/requirements-optional.txt b/requirements-optional.txt
index cc41b459ba..f9154ede0c 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -2,7 +2,7 @@
 pytest-cov==5.0.0
 redis==5.0.8
 pre-commit==3.8.0
-ruff==0.6.5
+ruff==0.6.6
 
 # For generating documentation.
 sphinx==8.0.2