diff --git a/main.tf b/main.tf
index e598983..32fbf5c 100644
--- a/main.tf
+++ b/main.tf
@@ -1187,6 +1187,7 @@ data "aws_iam_policy_document" "aws_load_balancer_controller" {
       "elasticloadbalancing:DescribeTags",
       "elasticloadbalancing:DescribeTrustStores",
       "elasticloadbalancing:DescribeListenerAttributes",
+      "elasticloadbalancing:DescribeCapacityReservation",
     ]
     resources = ["*"]
   }
@@ -1351,6 +1352,7 @@ data "aws_iam_policy_document" "aws_load_balancer_controller" {
       "elasticloadbalancing:ModifyTargetGroupAttributes",
       "elasticloadbalancing:DeleteTargetGroup",
       "elasticloadbalancing:ModifyListenerAttributes",
+      "elasticloadbalancing:ModifyCapacityReservation",
     ]
     resources = ["*"]