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 8a12637e534..3cf59c9ee44 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
@@ -10485,6 +10485,7 @@
           "eu-south-2" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
+          "eu-west-3" : { },
           "me-central-1" : { },
           "me-south-1" : { },
           "sa-east-1" : { },
@@ -23414,6 +23415,12 @@
           "us-iso-west-1" : { }
         }
       },
+      "dlm" : {
+        "endpoints" : {
+          "us-iso-east-1" : { },
+          "us-iso-west-1" : { }
+        }
+      },
       "dms" : {
         "defaults" : {
           "variants" : [ {