diff --git a/pyproject.toml b/pyproject.toml
index ae8f41a52..3b676e6aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ optional-dependencies.dev = [
     "python-dotenv==1.0.1",
     "pyyaml==6.0.2",
     "requests-mock-flask==2024.8.30.1",
-    "ruff==0.6.3",
+    "ruff==0.6.4",
     "sphinx==8.0.2",
     "sphinx-copybutton==0.5.2",
     "sphinx-paramlinks==0.6",