diff --git a/.github/workflows/reusable_deploy_v3_layer_stack.yml b/.github/workflows/reusable_deploy_v3_layer_stack.yml
index 58b7650e3cb..68b657e245c 100644
--- a/.github/workflows/reusable_deploy_v3_layer_stack.yml
+++ b/.github/workflows/reusable_deploy_v3_layer_stack.yml
@@ -74,7 +74,7 @@ jobs:
         # aws ec2 describe-regions --all-regions --query "Regions[].RegionName" --output text | tr "\t" "\n" | sort
         region: ["af-south-1", "ap-east-1", "ap-northeast-1", "ap-northeast-2", "ap-northeast-3",
                  "ap-south-1", "ap-south-2", "ap-southeast-1", "ap-southeast-2", "ap-southeast-3",
-                 "ap-southeast-4", "ap-southeast-5", "ap-southeast-7", "ca-central-1", "ca-west-1", "eu-central-1", "eu-central-2",
+                 "ap-southeast-4", "ap-southeast-5", "ap-southeast-6", "ap-southeast-7", "ca-central-1", "ca-west-1", "eu-central-1", "eu-central-2",
                  "eu-north-1", "eu-south-1", "eu-south-2", "eu-west-1", "eu-west-2", "eu-west-3",
                  "il-central-1", "mx-central-1", "sa-east-1", "us-east-1",
                  "us-east-2", "us-west-1", "us-west-2"]
@@ -104,6 +104,8 @@ jobs:
             has_arm64_support: "true"
           - region: "ap-southeast-5"
             has_arm64_support: "true"
+          - region: "ap-southeast-6"
+            has_arm64_support: "true"
           - region: "ap-southeast-7"
             has_arm64_support: "true"
           - region: "ca-central-1"