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 7f365c22f56..99ced63bbd3 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
@@ -17689,6 +17689,7 @@
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
+          "ap-southeast-5" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -29425,6 +29426,11 @@
           "us-iso-west-1" : { }
         }
       },
+      "oam" : {
+        "endpoints" : {
+          "us-iso-east-1" : { }
+        }
+      },
       "outposts" : {
         "endpoints" : {
           "us-iso-east-1" : { }
@@ -30148,6 +30154,11 @@
           "us-isob-east-1" : { }
         }
       },
+      "oam" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "outposts" : {
         "endpoints" : {
           "us-isob-east-1" : { }