diff --git a/src/enfobench/__version__.py b/src/enfobench/__version__.py
index 6e2648a..4ae81f3 100644
--- a/src/enfobench/__version__.py
+++ b/src/enfobench/__version__.py
@@ -1 +1 @@
-__version__ = "0.0.12"
+__version__ = "0.0.13"
diff --git a/src/enfobench/evaluation/_cross_validate.py b/src/enfobench/evaluation/_cross_validate.py
index 3119eef..9b5e860 100644
--- a/src/enfobench/evaluation/_cross_validate.py
+++ b/src/enfobench/evaluation/_cross_validate.py
@@ -15,7 +15,7 @@ def generate_cutoff_dates(
     end: pd.Timestamp,
     horizon: pd.Timedelta,
     step: pd.Timedelta,
-) -> list[pd.Timestamp]:
+) -> List[pd.Timestamp]:
     """Generate cutoff dates for cross-validation.
 
     Parameters