diff --git a/pyproject.toml b/pyproject.toml
index b9c879b..83c450c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,6 +74,7 @@ target-version = "py38"
 ignore = [
     "A003",   # FIXME
     "ANN401", # Ignore Anys
+    "UP045",  # Allow Optional instead of x | None
     "ISC001", # Disable for compatibility with ruff-format
     "UP007",  # Not compatible with Python 3.8
     "UP006",  # Not compatible with Python 3.8