diff --git a/cashman/model/transaction.py b/cashman/model/transaction.py
index d78fed4..d77319b 100644
--- a/cashman/model/transaction.py
+++ b/cashman/model/transaction.py
@@ -16,6 +16,6 @@ def __repr__(self):
 
 class TransactionSchema(Schema):
     description = fields.Str()
-    amount = fields.Number()
+    amount = fields.Float()
     created_at = fields.Date()
     type = fields.Str()