diff --git a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
index 40b98a6d900..8e8197e16f5 100644
--- a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
+++ b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
@@ -9651,6 +9651,7 @@
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
+          "ap-southeast-5" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -10728,6 +10729,7 @@
       },
       "iotfleetwise" : {
         "endpoints" : {
+          "ap-south-1" : { },
           "eu-central-1" : { },
           "us-east-1" : { }
         }
@@ -21625,6 +21627,7 @@
           "ap-south-1" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
+          "ap-southeast-3" : { },
           "ca-central-1" : { },
           "eu-central-1" : { },
           "eu-north-1" : { },