diff --git a/_data/conferences.yml b/_data/conferences.yml
index f50e6614..2222a291 100644
--- a/_data/conferences.yml
+++ b/_data/conferences.yml
@@ -3050,6 +3050,7 @@
   end_date: 2025-09-19
   url: https://2025.euruko.org
   twitter: euruko
+  mastodon: https://ruby.social/@euruko
   announced_on: 2024-11-29
   cfp_open_date: 2025-03-14
   cfp_close_date: 2025-04-10