diff --git a/.github/osia_convert.rb b/.github/osia_convert.rb
index a41e0584..054de026 100644
--- a/.github/osia_convert.rb
+++ b/.github/osia_convert.rb
@@ -11,7 +11,7 @@ LATEST = 'LATEST.md'
 NOT_ENGLISH = '🌐'
 ARCHIVE_TAG = 'archive'
 
-LATEST_NUM = 15
+LATEST_NUM = 30
 
 SHOW_TWITTER = false