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 b03258b001c..6695f1b75e7 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
@@ -8814,6 +8814,7 @@
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
+          "ap-southeast-4" : { },
           "ca-central-1" : { },
           "eu-central-1" : { },
           "eu-central-2" : { },
@@ -10395,6 +10396,7 @@
           "ap-northeast-2" : { },
           "ap-northeast-3" : { },
           "ap-south-1" : { },
+          "ap-south-2" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
@@ -22498,7 +22500,7 @@
             } ]
           },
           "us-gov-west-1" : {
-            "protocols" : [ "http", "https" ],
+            "protocols" : [ "https" ],
             "variants" : [ {
               "hostname" : "sns.us-gov-west-1.amazonaws.com",
               "tags" : [ "fips" ]