diff --git a/pyproject.toml b/pyproject.toml
index e288559..e5e2495 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dev = [
     "pytest>=9.0.3",
     "pytest-benchmark>=4.0",
     "pytest-cov>=4.0",
-    "ruff>=0.1.0",
+    "ruff>=0.15.15",
     "mypy>=2.1.0",
     # types-PyYAML so `mypy src/brig/` is clean locally without CI
     # having to install it inline.