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 f249c7a2b0b..ec1c58acd7c 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
@@ -24168,7 +24168,8 @@
           "protocols" : [ "http", "https" ]
         },
         "endpoints" : {
-          "us-iso-east-1" : { }
+          "us-iso-east-1" : { },
+          "us-iso-west-1" : { }
         }
       },
       "elasticache" : {
@@ -24406,6 +24407,12 @@
           "us-iso-west-1" : { }
         }
       },
+      "resource-groups" : {
+        "endpoints" : {
+          "us-iso-east-1" : { },
+          "us-iso-west-1" : { }
+        }
+      },
       "route53" : {
         "endpoints" : {
           "aws-iso-global" : {