diff --git a/_data/events.yml b/_data/events.yml
index a58677c..e33cbf6 100755
--- a/_data/events.yml
+++ b/_data/events.yml
@@ -552,3 +552,8 @@
   title: "名古屋Ruby会議05"
   start_on: 2026-09-19
   end_on: 2026-09-19
+- name: sendai03
+  title: "仙台Ruby会議03"
+  start_on: 2026-11-21
+  end_on: 2026-11-21
+  external_url: https://regional.rubykaigi.org/sendai03/