diff --git a/pyproject.toml b/pyproject.toml
index 03a797c..1151de2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = []
 dev = [
     "pytest>=8",
     "pytest-cov>=5",
-    "ruff>=0.5",
+    "ruff>=0.16.1",
     "mypy>=1.10",
 ]
 # Docs-site build only (MkDocs Material). Never a runtime dependency — the