diff --git a/chrome/browser/commerce/coupons/coupon_db.h b/chrome/browser/commerce/coupons/coupon_db.h
index f0758f43d..93e2dd3b5 100644
--- a/chrome/browser/commerce/coupons/coupon_db.h
+++ b/chrome/browser/commerce/coupons/coupon_db.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_COMMERCE_COUPONS_COUPON_DB_H_
 #define CHROME_BROWSER_COMMERCE_COUPONS_COUPON_DB_H_
 
+#include <vector>
+
 #include "base/callback_helpers.h"
 #include "base/memory/weak_ptr.h"
 #include "url/gurl.h"