diff --git a/pyproject.toml b/pyproject.toml
index 705ff0b850..e8105ee1ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -126,6 +126,7 @@ warn_unused_ignores = true
 enable_error_code = [
     "ignore-without-code",
     "redundant-expr",
+    "truthy-bool",
 ]
 
 [tool.pytest.ini_options]