diff --git a/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json b/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
index 75805fc4a75f..26e018f94314 100644
--- a/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
+++ b/codegen/smithy-aws-typescript-codegen/src/main/resources/software/amazon/smithy/aws/typescript/codegen/endpoints.json
@@ -12909,6 +12909,7 @@
             "ap-southeast-2": {},
             "ap-southeast-3": {},
             "ap-southeast-4": {},
+            "ap-southeast-5": {},
             "ca-central-1": {
               "variants": [
                 {