diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index fb56c393a..4971c2ce1 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -3819,8 +3819,8 @@ premiumState state:formattedText payment_options:vector<premiumPaymentOption> an
 
 //@class StorePaymentPurpose @description Describes a purpose of an in-store payment
 
-//@description The user subscribed to Telegram Premium @is_restore Pass true if this is a restore of a Telegram Premium purchase; only for App Store
-storePaymentPurposePremiumSubscription is_restore:Bool = StorePaymentPurpose;
+//@description The user subscribed to Telegram Premium @is_restore Pass true if this is a restore of a Telegram Premium purchase; only for App Store @is_upgrade Pass true if this is an upgrade from a monthly subscription to early subscription; only for App Store
+storePaymentPurposePremiumSubscription is_restore:Bool is_upgrade:Bool = StorePaymentPurpose;
 
 //@description The user gifted Telegram Premium to another user @user_id Identifier of the user for which Premium was gifted @currency ISO 4217 currency code of the payment currency @amount Paid amount, in the smallest units of the currency
 storePaymentPurposeGiftedPremium user_id:int53 currency:string amount:int53 = StorePaymentPurpose;
diff --git a/td/telegram/Premium.cpp b/td/telegram/Premium.cpp
index 0272f35b1..9e2a64e12 100644
--- a/td/telegram/Premium.cpp
+++ b/td/telegram/Premium.cpp
@@ -90,6 +90,9 @@ static Result<tl_object_ptr<telegram_api::InputStorePaymentPurpose>> get_input_s
       if (p->is_restore_) {
         flags |= telegram_api::inputStorePaymentPremiumSubscription::RESTORE_MASK;
       }
+      if (p->is_upgrade_) {
+        flags |= telegram_api::inputStorePaymentPremiumSubscription::UPGRADE_MASK;
+      }
       return make_tl_object<telegram_api::inputStorePaymentPremiumSubscription>(flags, false /*ignored*/,
                                                                                 false /*ignored*/);
     }
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index 5c565451e..0a51d53bb 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -2692,7 +2692,7 @@ class CliClient final : public Actor {
       get_args(args, user_id, currency, amount);
       if (currency.empty()) {
         send_request(td_api::make_object<td_api::canPurchasePremium>(
-            td_api::make_object<td_api::storePaymentPurposePremiumSubscription>(false)));
+            td_api::make_object<td_api::storePaymentPurposePremiumSubscription>(false, false)));
       } else {
         send_request(td_api::make_object<td_api::canPurchasePremium>(
             td_api::make_object<td_api::storePaymentPurposeGiftedPremium>(user_id, currency, amount)));