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 6c052bed152..0846f66745b 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
@@ -20390,7 +20390,8 @@
       },
       "ram" : {
         "endpoints" : {
-          "us-iso-east-1" : { }
+          "us-iso-east-1" : { },
+          "us-iso-west-1" : { }
         }
       },
       "rds" : {
@@ -20865,6 +20866,11 @@
         "isRegionalized" : false,
         "partitionEndpoint" : "aws-iso-b-global"
       },
+      "route53resolver" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "s3" : {
         "defaults" : {
           "protocols" : [ "http", "https" ],