diff --git a/db/migrate/20230417141788_update_commit_log_utf8.rb b/db/migrate/20230417141788_update_commit_log_utf8.rb
new file mode 100644
index 00000000..8e3af952
--- /dev/null
+++ b/db/migrate/20230417141788_update_commit_log_utf8.rb
@@ -0,0 +1,5 @@
+class UpdateCommitLogUtf8 < ActiveRecord::Migration[5.2]
+  def change
+    execute("ALTER TABLE `commit_logs` MODIFY `message` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
+  end
+end