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 b54a34aab79..a6cbf950d46 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
@@ -27736,6 +27736,16 @@
           "us-isob-east-1" : { }
         }
       },
+      "medialive" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
+      "mediapackage" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "metering.marketplace" : {
         "defaults" : {
           "credentialScope" : {