diff --git a/enos/ci/service-user-iam/main.tf b/enos/ci/service-user-iam/main.tf
index e1e83ef3dd..be31225ff0 100644
--- a/enos/ci/service-user-iam/main.tf
+++ b/enos/ci/service-user-iam/main.tf
@@ -143,6 +143,7 @@ data "aws_iam_policy_document" "enos_policy_document" {
       "elasticloadbalancing:DescribeTargetGroups",
       "elasticloadbalancing:DescribeTargetHealth",
       "elasticloadbalancing:ModifyListener",
+      "elasticloadbalancing:ModifyListenerAttributes",
       "elasticloadbalancing:ModifyLoadBalancerAttributes",
       "elasticloadbalancing:ModifyRule",
       "elasticloadbalancing:ModifyTargetGroup",