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 ee5e88c754bc..a346c2aa23d1 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
@@ -21297,6 +21297,7 @@
             "eu-north-1": {},
             "eu-west-1": {},
             "eu-west-2": {},
+            "sa-east-1": {},
             "us-east-1": {},
             "us-east-2": {},
             "us-west-2": {}