diff --git a/botocore/data/endpoints.json b/botocore/data/endpoints.json
index 5877b015f7..b6a10d3539 100644
--- a/botocore/data/endpoints.json
+++ b/botocore/data/endpoints.json
@@ -26437,6 +26437,12 @@
         "isRegionalized" : false,
         "partitionEndpoint" : "aws-us-gov-global"
       },
+      "oam" : {
+        "endpoints" : {
+          "us-gov-east-1" : { },
+          "us-gov-west-1" : { }
+        }
+      },
       "oidc" : {
         "endpoints" : {
           "us-gov-east-1" : {