diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 8a1e55ebd..946190b98 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -4365,7 +4365,7 @@ createVoiceChat chat_id:int53 = GroupCallId;
 //@description Returns information about a group call @group_call_id Group call identifier
 getGroupCall group_call_id:int32 = GroupCall;
 
-//@description Joins a group call @group_call_id Group call identifier @payload Group join payload, received from tgcalls @source Caller synchronization source identifier; received from tgcalls @is_muted True, if the user's microphone is muted
+//@description Joins a group call @group_call_id Group call identifier @payload Group join payload, received from tgcalls. Use null to cancel previous joinGroupCall request @source Caller synchronization source identifier; received from tgcalls @is_muted True, if the user's microphone is muted
 joinGroupCall group_call_id:int32 payload:groupCallPayload source:int32 is_muted:Bool = GroupCallJoinResponse;
 
 //@description Toggles whether new participants of a group call can be unmuted only by administrators of the group call. Requires can_manage_voice_chats rights in the corresponding chat and allowed_change_mute_mew_participants group call flag
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index 9db99e799..79d94ec1e 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -717,7 +717,7 @@ class ContactsManager : public Actor {
     DialogParticipantStatus status = DialogParticipantStatus::Banned(0);
     RestrictedRights default_permissions{false, false, false, false, false, false, false, false, false, false, false};
 
-    static constexpr uint32 CACHE_VERSION = 2;
+    static constexpr uint32 CACHE_VERSION = 3;
     uint32 cache_version = 0;
 
     bool is_active = false;
@@ -784,7 +784,7 @@ class ContactsManager : public Actor {
     int32 date = 0;
     int32 participant_count = 0;
 
-    static constexpr uint32 CACHE_VERSION = 5;
+    static constexpr uint32 CACHE_VERSION = 6;
     uint32 cache_version = 0;
 
     bool has_linked_channel = false;