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 0dfaeaba0b2..e00cdbeea65 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
@@ -8371,6 +8371,13 @@
             "deprecated" : true,
             "hostname" : "kms-fips.ap-southeast-3.amazonaws.com"
           },
+          "ap-southeast-4-fips" : {
+            "credentialScope" : {
+              "region" : "ap-southeast-4"
+            },
+            "deprecated" : true,
+            "hostname" : "kms-fips.ap-southeast-4.amazonaws.com"
+          },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "kms-fips.ca-central-1.amazonaws.com",