diff --git a/fincal/utils.py b/fincal/utils.py
index dc2584c..a4a65ef 100644
--- a/fincal/utils.py
+++ b/fincal/utils.py
@@ -1,5 +1,6 @@
 import datetime
 from dataclasses import dataclass
+from decimal import Decimal
 from typing import Iterable, List, Literal, Mapping, Sequence, Tuple, Union
 
 from .exceptions import DateNotFoundError, DateOutOfRangeError