diff --git a/twitter_ads/campaign.py b/twitter_ads/campaign.py
index <HASH>..<HASH> 100644
--- a/twitter_ads/campaign.py
+++ b/twitter_ads/campaign.py
@@ -177,6 +177,7 @@ resource_property(LineItem, 'bid_unit')
 resource_property(LineItem, 'automatically_select_bid', transform=TRANSFORM.BOOL)
 resource_property(LineItem, 'bid_amount_local_micro')
 resource_property(LineItem, 'total_budget_amount_local_micro')
+resource_property(LineItem, 'bid_type')
 
 
 class Tweet(object):
Add bid_type property to LineItem (#<I>)