diff --git a/src/migrations/20251003105758-add-milestone-started-at.js b/src/migrations/20251003105758-add-milestone-started-at.js
new file mode 100644
index 0000000000..f0fbc54137
--- /dev/null
+++ b/src/migrations/20251003105758-add-milestone-started-at.js
@@ -0,0 +1,13 @@
+exports.up = function(db, cb) {
+    db.runSql(
+        `ALTER TABLE milestones ADD COLUMN IF NOT EXISTS started_at TIMESTAMP WITH TIME ZONE;`,
+        cb,
+    );
+};
+
+exports.down = function(db, cb) {
+    db.runSql(
+        `ALTER TABLE milestones DROP COLUMN IF EXISTS started_at;`,
+        cb,
+    );
+};