diff --git a/lambda-layers/lib/get-regions.ts b/lambda-layers/lib/get-regions.ts
index 8511de22a..36a8ad2a5 100644
--- a/lambda-layers/lib/get-regions.ts
+++ b/lambda-layers/lib/get-regions.ts
@@ -17,6 +17,7 @@ const REGION_ALLOW_LIST = [
   'ap-northeast-1',
   'ap-northeast-2',
   'ap-northeast-3',
+  'ap-south-1',
   'ap-southeast-1',
   'ap-southeast-2',
   'ca-central-1',