diff --git a/pyproject.toml b/pyproject.toml
index 9cc6f1b6..358c5055 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ quote-style = "preserve"
 docstring-code-format = true
 
 [tool.ruff.lint]
-select = ["E4", "E7", "E9", "F", "S", "UP"]
+select = ["E4", "E5", "E7", "E9", "F", "S", "UP"]
 ignore = [
     # we only use asserts for type narrowing
     "S101",