diff --git a/src/migrations/20250623100820-cr-requested-approvals-add-notified-at-column.js b/src/migrations/20250623100820-cr-requested-approvals-add-notified-at-column.js
new file mode 100644
index 0000000000..46d44f701c
--- /dev/null
+++ b/src/migrations/20250623100820-cr-requested-approvals-add-notified-at-column.js
@@ -0,0 +1,10 @@
+exports.up = function(db, cb) {
+  db.runSql(`ALTER TABLE change_request_requested_approvers ADD COLUMN notified_at TIMESTAMP WITH TIME ZONE;
+             CREATE INDEX IF NOT EXISTS cr_req_approvers_notified_at_idx ON change_request_requested_approvers(notified_at);`, cb);
+};
+
+exports.down = function(db, cb) {
+  db.runSql(`
+DROP INDEX IF EXISTS cr_req_approvers_notified_at_idx;
+ALTER TABLE change_request_requested_approvers DROP COLUMN notified_at;`, cb);
+};