diff --git a/requirements-tests.txt b/requirements-tests.txt
index 97c11b0..36800b2 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 mypy==1.11.2
 pymarkdownlnt==0.9.23
-ruff==0.6.5
+ruff==0.6.6
 sphinx-autobuild==2024.9.19
 yamllint==1.35.1