diff --git a/botocore/data/endpoints.json b/botocore/data/endpoints.json
index d1a8a031aa..f27192c1bd 100644
--- a/botocore/data/endpoints.json
+++ b/botocore/data/endpoints.json
@@ -787,6 +787,7 @@
           "ap-east-1" : { },
           "ap-northeast-1" : { },
           "ap-northeast-2" : { },
+          "ap-northeast-3" : { },
           "ap-south-1" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },