diff --git a/terraform/environments/oasys/locals_production.tf b/terraform/environments/oasys/locals_production.tf
index 029a1504ceb..cdc90c2f083 100644
--- a/terraform/environments/oasys/locals_production.tf
+++ b/terraform/environments/oasys/locals_production.tf
@@ -538,7 +538,7 @@ locals {
           https = {
             port                      = 443
             protocol                  = "HTTPS"
-            ssl_policy                = "ELBSecurityPolicy-2016-08"
+            ssl_policy                = "ELBSecurityPolicy-TLS13-1-2-2021-06"
             certificate_names_or_arns = ["pd_oasys_cert"]
             # default_action = {
             #   type = "fixed-response"