diff --git a/index.bs b/index.bs
index 1efa4e8..12d0647 100644
--- a/index.bs
+++ b/index.bs
@@ -6,6 +6,8 @@ Text Macro: TWITTER compressionapi
 Text Macro: LATESTRD 2025-04
 Abstract: This document defines a set of JavaScript APIs to compress and decompress streams of binary data.
 Translation: zh-Hans https://htmlspecs.com/compression/
+Translation: ja https://jp.htmlspecs.com/compression/
+Translation: ko https://ko.htmlspecs.com/compression/
 Indent: 2
 Markup Shorthands: markdown yes
 </pre>