diff --git a/db/migrate/20251121090556_add_account_id_to_submission_events.rb b/db/migrate/20251121090556_add_account_id_to_submission_events.rb
new file mode 100644
index 00000000..6e88c16a
--- /dev/null
+++ b/db/migrate/20251121090556_add_account_id_to_submission_events.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddAccountIdToSubmissionEvents < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :submission_events, :account, null: true, foreign_key: true, index: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c14f705b..786d7863 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_09_22_053744) do
+ActiveRecord::Schema[8.0].define(version: 2025_11_21_090556) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "btree_gin"
   enable_extension "plpgsql"
@@ -293,6 +293,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_22_053744) do
     t.datetime "event_timestamp", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.bigint "account_id"
+    t.index ["account_id"], name: "index_submission_events_on_account_id"
     t.index ["created_at"], name: "index_submission_events_on_created_at"
     t.index ["submission_id"], name: "index_submission_events_on_submission_id"
     t.index ["submitter_id"], name: "index_submission_events_on_submitter_id"
@@ -506,6 +508,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_22_053744) do
   add_foreign_key "oauth_access_grants", "users", column: "resource_owner_id"
   add_foreign_key "oauth_access_tokens", "oauth_applications", column: "application_id"
   add_foreign_key "oauth_access_tokens", "users", column: "resource_owner_id"
+  add_foreign_key "submission_events", "accounts"
   add_foreign_key "submission_events", "submissions"
   add_foreign_key "submission_events", "submitters"
   add_foreign_key "submissions", "templates"