diff --git a/pyproject.toml b/pyproject.toml
index c97244e1..fb1e659b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ optional-dependencies.dev = [
     "python-dotenv==1.0.1",
     "pyyaml==6.0.2",
     "requests-mock-flask==2024.8.30.1",
-    "ruff==0.8.5",
+    "ruff==0.8.6",
     # We add shellcheck-py not only for shell scripts and shell code blocks,
     # but also because having it installed means that ``actionlint-py`` will
     # use it to lint shell commands in GitHub workflow files.