diff --git a/td/generate/scheme/telegram_api.tl b/td/generate/scheme/telegram_api.tl
index 5bdda4caa..e5c176f6d 100644
--- a/td/generate/scheme/telegram_api.tl
+++ b/td/generate/scheme/telegram_api.tl
@@ -181,6 +181,7 @@ photoSize#77bfb61b type:string location:FileLocation w:int h:int size:int = Phot
 photoCachedSize#e9a734fa type:string location:FileLocation w:int h:int bytes:bytes = PhotoSize;
 photoStrippedSize#e0b0bc2e type:string bytes:bytes = PhotoSize;
 photoSizeProgressive#5aa86a51 type:string location:FileLocation w:int h:int sizes:Vector<int> = PhotoSize;
+photoPathSize#d8214d41 type:string bytes:bytes = PhotoSize;
 
 geoPointEmpty#1117dd5f = GeoPoint;
 geoPoint#b2a2f663 flags:# long:double lat:double access_hash:long accuracy_radius:flags.0?int = GeoPoint;
diff --git a/td/generate/scheme/telegram_api.tlo b/td/generate/scheme/telegram_api.tlo
index bb3f233d1..bb074e340 100644
Binary files a/td/generate/scheme/telegram_api.tlo and b/td/generate/scheme/telegram_api.tlo differ
diff --git a/td/telegram/DocumentsManager.cpp b/td/telegram/DocumentsManager.cpp
index dff1ad48b..96ddb6e7f 100644
--- a/td/telegram/DocumentsManager.cpp
+++ b/td/telegram/DocumentsManager.cpp
@@ -261,11 +261,13 @@ Document DocumentsManager::on_get_document(RemoteDocument remote_document, Dialo
 
     if (document_type != Document::Type::VoiceNote) {
       for (auto &thumb : document->thumbs_) {
-        auto photo_size =
-            get_photo_size(td_->file_manager_.get(), {FileType::Thumbnail, 0}, id, access_hash, file_reference,
-                           DcId::create(dc_id), owner_dialog_id, std::move(thumb), thumbnail_format);
+        auto photo_size = get_photo_size(td_->file_manager_.get(), {FileType::Thumbnail, 0}, id, access_hash,
+                                         file_reference, DcId::create(dc_id), owner_dialog_id, std::move(thumb),
+                                         thumbnail_format, document_type != Document::Type::Sticker);
         if (photo_size.get_offset() == 0) {
-          thumbnail = std::move(photo_size.get<0>());
+          if (!thumbnail.file_id.is_valid()) {
+            thumbnail = std::move(photo_size.get<0>());
+          }
         } else {
           minithumbnail = std::move(photo_size.get<1>());
         }
@@ -429,8 +431,8 @@ Document DocumentsManager::on_get_document(RemoteDocument remote_document, Dialo
                       std::move(mime_type), !is_web);
       break;
     case Document::Type::Sticker:
-      td_->stickers_manager_->create_sticker(file_id, std::move(thumbnail), dimensions, std::move(sticker),
-                                             is_animated_sticker, load_data_multipromise_ptr);
+      td_->stickers_manager_->create_sticker(file_id, std::move(minithumbnail), std::move(thumbnail), dimensions,
+                                             std::move(sticker), is_animated_sticker, load_data_multipromise_ptr);
       break;
     case Document::Type::Video:
       td_->videos_manager_->create_video(file_id, std::move(minithumbnail), std::move(thumbnail),
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index c0a86779d..a52766d90 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -1638,8 +1638,9 @@ static Result<InputMessageContent> create_input_message_content(
     }
     case td_api::inputMessageSticker::ID: {
       auto input_sticker = static_cast<td_api::inputMessageSticker *>(input_message_content.get());
-      td->stickers_manager_->create_sticker(
-          file_id, thumbnail, get_dimensions(input_sticker->width_, input_sticker->height_), nullptr, false, nullptr);
+      td->stickers_manager_->create_sticker(file_id, string(), thumbnail,
+                                            get_dimensions(input_sticker->width_, input_sticker->height_), nullptr,
+                                            false, nullptr);
 
       content = make_unique<MessageSticker>(file_id);
       break;
diff --git a/td/telegram/Photo.cpp b/td/telegram/Photo.cpp
index c512b1637..1e35b4175 100644
--- a/td/telegram/Photo.cpp
+++ b/td/telegram/Photo.cpp
@@ -358,7 +358,7 @@ PhotoSize get_secret_thumbnail_photo_size(FileManager *file_manager, BufferSlice
 Variant<PhotoSize, string> get_photo_size(FileManager *file_manager, PhotoSizeSource source, int64 id,
                                           int64 access_hash, std::string file_reference, DcId dc_id,
                                           DialogId owner_dialog_id, tl_object_ptr<telegram_api::PhotoSize> &&size_ptr,
-                                          PhotoFormat format) {
+                                          PhotoFormat format, bool expect_jpeg_minithumbnail) {
   CHECK(size_ptr != nullptr);
 
   tl_object_ptr<telegram_api::fileLocationToBeDeprecated> location;
@@ -393,6 +393,10 @@ Variant<PhotoSize, string> get_photo_size(FileManager *file_manager, PhotoSizeSo
     }
     case telegram_api::photoStrippedSize::ID: {
       auto size = move_tl_object_as<telegram_api::photoStrippedSize>(size_ptr);
+      if (!expect_jpeg_minithumbnail) {
+        LOG(ERROR) << "Receive unexpected JPEG minithumbnail";
+        return std::move(res);
+      }
       return size->bytes_.as_slice().str();
     }
     case telegram_api::photoSizeProgressive::ID: {
@@ -413,6 +417,14 @@ Variant<PhotoSize, string> get_photo_size(FileManager *file_manager, PhotoSizeSo
 
       break;
     }
+    case telegram_api::photoPathSize::ID: {
+      auto size = move_tl_object_as<telegram_api::photoPathSize>(size_ptr);
+      if (expect_jpeg_minithumbnail) {
+        LOG(ERROR) << "Receive unexpected SVG minithumbnail";
+        return std::move(res);
+      }
+      return size->bytes_.as_slice().str();
+    }
     default:
       UNREACHABLE();
       break;
@@ -704,7 +716,7 @@ Photo get_photo(FileManager *file_manager, tl_object_ptr<telegram_api::photo> &&
   for (auto &size_ptr : photo->sizes_) {
     auto photo_size = get_photo_size(file_manager, {FileType::Photo, 0}, photo->id_, photo->access_hash_,
                                      photo->file_reference_.as_slice().str(), dc_id, owner_dialog_id,
-                                     std::move(size_ptr), PhotoFormat::Jpeg);
+                                     std::move(size_ptr), PhotoFormat::Jpeg, true);
     if (photo_size.get_offset() == 0) {
       PhotoSize &size = photo_size.get<0>();
       if (size.type == 0 || size.type == 't' || size.type == 'i' || size.type == 'u' || size.type == 'v') {
diff --git a/td/telegram/Photo.h b/td/telegram/Photo.h
index 43db9372a..1d8a23572 100644
--- a/td/telegram/Photo.h
+++ b/td/telegram/Photo.h
@@ -113,7 +113,7 @@ PhotoSize get_secret_thumbnail_photo_size(FileManager *file_manager, BufferSlice
 Variant<PhotoSize, string> get_photo_size(FileManager *file_manager, PhotoSizeSource source, int64 id,
                                           int64 access_hash, string file_reference, DcId dc_id,
                                           DialogId owner_dialog_id, tl_object_ptr<telegram_api::PhotoSize> &&size_ptr,
-                                          PhotoFormat format);
+                                          PhotoFormat format, bool expect_jpeg_minithumbnail);
 AnimationSize get_animation_size(FileManager *file_manager, PhotoSizeSource source, int64 id, int64 access_hash,
                                  string file_reference, DcId dc_id, DialogId owner_dialog_id,
                                  tl_object_ptr<telegram_api::videoSize> &&size);
diff --git a/td/telegram/StickersManager.cpp b/td/telegram/StickersManager.cpp
index e335d7f8f..32fac339e 100644
--- a/td/telegram/StickersManager.cpp
+++ b/td/telegram/StickersManager.cpp
@@ -1547,19 +1547,24 @@ FileId StickersManager::on_get_sticker(unique_ptr<Sticker> new_sticker, bool rep
     }
     if (s->alt != new_sticker->alt && !new_sticker->alt.empty()) {
       LOG(DEBUG) << "Sticker " << file_id << " emoji has changed";
-      s->alt = new_sticker->alt;
+      s->alt = std::move(new_sticker->alt);
+      s->is_changed = true;
+    }
+    if (s->minithumbnail != new_sticker->minithumbnail) {
+      LOG(DEBUG) << "Sticker " << file_id << " minithumbnail has changed";
+      s->minithumbnail = std::move(new_sticker->minithumbnail);
       s->is_changed = true;
     }
     if (s->s_thumbnail != new_sticker->s_thumbnail && new_sticker->s_thumbnail.file_id.is_valid()) {
       LOG_IF(INFO, s->s_thumbnail.file_id.is_valid()) << "Sticker " << file_id << " s thumbnail has changed from "
                                                       << s->s_thumbnail << " to " << new_sticker->s_thumbnail;
-      s->s_thumbnail = new_sticker->s_thumbnail;
+      s->s_thumbnail = std::move(new_sticker->s_thumbnail);
       s->is_changed = true;
     }
     if (s->m_thumbnail != new_sticker->m_thumbnail && new_sticker->m_thumbnail.file_id.is_valid()) {
       LOG_IF(INFO, s->m_thumbnail.file_id.is_valid()) << "Sticker " << file_id << " m thumbnail has changed from "
                                                       << s->m_thumbnail << " to " << new_sticker->m_thumbnail;
-      s->m_thumbnail = new_sticker->m_thumbnail;
+      s->m_thumbnail = std::move(new_sticker->m_thumbnail);
       s->is_changed = true;
     }
     if (s->is_animated != new_sticker->is_animated && new_sticker->is_animated) {
@@ -1635,20 +1640,24 @@ std::pair<int64, FileId> StickersManager::on_get_sticker_document(
                                           PSTRING() << document_id << (is_animated ? ".tgs" : ".webp"));
 
   PhotoSize thumbnail;
+  string minithumbnail;
   for (auto &thumb : document->thumbs_) {
     auto photo_size =
         get_photo_size(td_->file_manager_.get(), {FileType::Thumbnail, 0}, document_id, document->access_hash_,
                        document->file_reference_.as_slice().str(), dc_id, DialogId(), std::move(thumb),
-                       has_webp_thumbnail(sticker) ? PhotoFormat::Webp : PhotoFormat::Jpeg);
+                       has_webp_thumbnail(sticker) ? PhotoFormat::Webp : PhotoFormat::Jpeg, false);
     if (photo_size.get_offset() == 0) {
-      thumbnail = std::move(photo_size.get<0>());
+      if (!thumbnail.file_id.is_valid()) {
+        thumbnail = std::move(photo_size.get<0>());
+      }
       break;
     } else {
-      LOG(ERROR) << "Receive minithumbnail for a sticker " << sticker_id << ": " << to_string(sticker);
+      minithumbnail = std::move(photo_size.get<1>());
     }
   }
 
-  create_sticker(sticker_id, std::move(thumbnail), dimensions, std::move(sticker), is_animated, nullptr);
+  create_sticker(sticker_id, std::move(minithumbnail), std::move(thumbnail), dimensions, std::move(sticker),
+                 is_animated, nullptr);
   return {document_id, sticker_id};
 }
 
@@ -1963,7 +1972,7 @@ void StickersManager::add_sticker_thumbnail(Sticker *s, PhotoSize thumbnail) {
   LOG(ERROR) << "Receive sticker thumbnail of unsupported type " << thumbnail.type;
 }
 
-void StickersManager::create_sticker(FileId file_id, PhotoSize thumbnail, Dimensions dimensions,
+void StickersManager::create_sticker(FileId file_id, string minithumbnail, PhotoSize thumbnail, Dimensions dimensions,
                                      tl_object_ptr<telegram_api::documentAttributeSticker> sticker, bool is_animated,
                                      MultiPromiseActor *load_data_multipromise_ptr) {
   if (is_animated && dimensions.width == 0) {
@@ -1974,6 +1983,7 @@ void StickersManager::create_sticker(FileId file_id, PhotoSize thumbnail, Dimens
   auto s = make_unique<Sticker>();
   s->file_id = file_id;
   s->dimensions = dimensions;
+  s->minithumbnail = std::move(minithumbnail);
   add_sticker_thumbnail(s.get(), thumbnail);
   if (sticker != nullptr) {
     s->set_id = on_get_input_sticker_set(file_id, std::move(sticker->stickerset_), load_data_multipromise_ptr);
@@ -2158,14 +2168,17 @@ StickerSetId StickersManager::on_get_sticker_set(tl_object_ptr<telegram_api::sti
   bool is_masks = (set->flags_ & telegram_api::stickerSet::MASKS_MASK) != 0;
 
   PhotoSize thumbnail;
+  string minithumbnail;
   if (set->thumb_ != nullptr) {
     auto photo_size = get_photo_size(td_->file_manager_.get(), {set_id.get(), s->access_hash}, 0, 0, "",
                                      DcId::create(set->thumb_dc_id_), DialogId(), std::move(set->thumb_),
-                                     is_animated ? PhotoFormat::Tgs : PhotoFormat::Webp);
+                                     is_animated ? PhotoFormat::Tgs : PhotoFormat::Webp, false);
     if (photo_size.get_offset() == 0) {
-      thumbnail = std::move(photo_size.get<0>());
+      if (!thumbnail.file_id.is_valid()) {
+        thumbnail = std::move(photo_size.get<0>());
+      }
     } else {
-      LOG(ERROR) << "Receive minithumbnail for a " << set_id;
+      minithumbnail = std::move(photo_size.get<1>());
     }
   }
   if (!s->is_inited) {
@@ -2173,9 +2186,10 @@ StickerSetId StickersManager::on_get_sticker_set(tl_object_ptr<telegram_api::sti
     s->is_inited = true;
     s->title = std::move(set->title_);
     s->short_name = std::move(set->short_name_);
+    s->minithumbnail = std::move(minithumbnail);
     s->thumbnail = std::move(thumbnail);
     s->is_thumbnail_reloaded = true;
-    s->are_legacy_thumbnails_reloaded = true;
+    s->are_legacy_sticker_thumbnails_reloaded = true;
     s->sticker_count = set->count_;
     s->hash = set->hash_;
     s->is_official = is_official;
@@ -2209,15 +2223,20 @@ StickerSetId StickersManager::on_get_sticker_set(tl_object_ptr<telegram_api::sti
         installed_sticker_sets_hints_[s->is_masks].add(set_id.get(), PSLICE() << s->title << ' ' << s->short_name);
       }
     }
+    if (s->minithumbnail != minithumbnail) {
+      LOG(INFO) << "Minithumbnail of " << set_id << " has changed";
+      s->minithumbnail = std::move(minithumbnail);
+      s->is_changed = true;
+    }
     if (s->thumbnail != thumbnail) {
       LOG(INFO) << "Thumbnail of " << set_id << " has changed from " << s->thumbnail << " to " << thumbnail;
       s->thumbnail = std::move(thumbnail);
       s->is_changed = true;
     }
-    if (!s->is_thumbnail_reloaded || !s->are_legacy_thumbnails_reloaded) {
+    if (!s->is_thumbnail_reloaded || !s->are_legacy_sticker_thumbnails_reloaded) {
       LOG(INFO) << "Sticker thumbnails and thumbnail of " << set_id << " was reloaded";
       s->is_thumbnail_reloaded = true;
-      s->are_legacy_thumbnails_reloaded = true;
+      s->are_legacy_sticker_thumbnails_reloaded = true;
       s->need_save_to_database = true;
     }
 
@@ -3399,7 +3418,7 @@ void StickersManager::on_load_sticker_set_from_database(StickerSetId sticker_set
                  << format::as_hex_dump<4>(Slice(value));
     }
   }
-  if (!sticker_set->is_thumbnail_reloaded || !sticker_set->are_legacy_thumbnails_reloaded) {
+  if (!sticker_set->is_thumbnail_reloaded || !sticker_set->are_legacy_sticker_thumbnails_reloaded) {
     do_reload_sticker_set(sticker_set_id, get_input_sticker_set(sticker_set), Auto());
   }
 
@@ -4290,7 +4309,7 @@ Result<std::tuple<FileId, bool, bool, bool>> StickersManager::prepare_input_file
 
   if (is_animated) {
     int32 width = for_thumbnail ? 100 : 512;
-    create_sticker(file_id, PhotoSize(), get_dimensions(width, width), nullptr, true, nullptr);
+    create_sticker(file_id, string(), PhotoSize(), get_dimensions(width, width), nullptr, true, nullptr);
   } else {
     td_->documents_manager_->create_document(file_id, string(), PhotoSize(), "sticker.png", "image/png", false);
   }
diff --git a/td/telegram/StickersManager.h b/td/telegram/StickersManager.h
index dc018fca7..7e4ec1254 100644
--- a/td/telegram/StickersManager.h
+++ b/td/telegram/StickersManager.h
@@ -69,7 +69,7 @@ class StickersManager : public Actor {
 
   void unregister_dice(const string &emoji, int32 value, FullMessageId full_message_id, const char *source);
 
-  void create_sticker(FileId file_id, PhotoSize thumbnail, Dimensions dimensions,
+  void create_sticker(FileId file_id, string minithumbnail, PhotoSize thumbnail, Dimensions dimensions,
                       tl_object_ptr<telegram_api::documentAttributeSticker> sticker, bool is_animated,
                       MultiPromiseActor *load_data_multipromise_ptr);
 
@@ -304,6 +304,7 @@ class StickersManager : public Actor {
     StickerSetId set_id;
     string alt;
     Dimensions dimensions;
+    string minithumbnail;
     PhotoSize s_thumbnail;
     PhotoSize m_thumbnail;
     FileId file_id;
@@ -331,6 +332,7 @@ class StickersManager : public Actor {
     int32 hash = 0;
     int32 expires_at = 0;
 
+    string minithumbnail;
     PhotoSize thumbnail;
 
     vector<FileId> sticker_ids;
@@ -344,7 +346,7 @@ class StickersManager : public Actor {
     bool is_masks = false;
     bool is_viewed = true;
     bool is_thumbnail_reloaded = false;
-    bool are_legacy_thumbnails_reloaded = false;
+    bool are_legacy_sticker_thumbnails_reloaded = false;
     mutable bool was_update_sent = false;  // does the sticker set is known to the client
     bool is_changed = true;                // have new changes that need to be sent to the client and database
     bool need_save_to_database = true;     // have new changes that need only to be saved to the database
diff --git a/td/telegram/StickersManager.hpp b/td/telegram/StickersManager.hpp
index a2bff4cc8..640822d33 100644
--- a/td/telegram/StickersManager.hpp
+++ b/td/telegram/StickersManager.hpp
@@ -25,11 +25,13 @@ void StickersManager::store_sticker(FileId file_id, bool in_sticker_set, StorerT
   CHECK(it != stickers_.end());
   const Sticker *sticker = it->second.get();
   bool has_sticker_set_access_hash = sticker->set_id.is_valid() && !in_sticker_set;
+  bool has_minithumbnail = !sticker->minithumbnail.empty();
   BEGIN_STORE_FLAGS();
   STORE_FLAG(sticker->is_mask);
   STORE_FLAG(has_sticker_set_access_hash);
   STORE_FLAG(in_sticker_set);
   STORE_FLAG(sticker->is_animated);
+  STORE_FLAG(has_minithumbnail);
   END_STORE_FLAGS();
   if (!in_sticker_set) {
     store(sticker->set_id.get(), storer);
@@ -50,6 +52,9 @@ void StickersManager::store_sticker(FileId file_id, bool in_sticker_set, StorerT
     store(sticker->y_shift, storer);
     store(sticker->scale, storer);
   }
+  if (has_minithumbnail) {
+    store(sticker->minithumbnail, storer);
+  }
 }
 
 template <class ParserT>
@@ -61,11 +66,13 @@ FileId StickersManager::parse_sticker(bool in_sticker_set, ParserT &parser) {
   auto sticker = make_unique<Sticker>();
   bool has_sticker_set_access_hash;
   bool in_sticker_set_stored;
+  bool has_minithumbnail;
   BEGIN_PARSE_FLAGS();
   PARSE_FLAG(sticker->is_mask);
   PARSE_FLAG(has_sticker_set_access_hash);
   PARSE_FLAG(in_sticker_set_stored);
   PARSE_FLAG(sticker->is_animated);
+  PARSE_FLAG(has_minithumbnail);
   END_PARSE_FLAGS();
   if (in_sticker_set_stored != in_sticker_set) {
     Slice data = parser.template fetch_string_raw<Slice>(parser.get_left_len());
@@ -105,6 +112,9 @@ FileId StickersManager::parse_sticker(bool in_sticker_set, ParserT &parser) {
     parse(sticker->y_shift, parser);
     parse(sticker->scale, parser);
   }
+  if (has_minithumbnail) {
+    parse(sticker->minithumbnail, parser);
+  }
   if (parser.get_error() != nullptr || !sticker->file_id.is_valid()) {
     return FileId();
   }
@@ -119,6 +129,7 @@ void StickersManager::store_sticker_set(const StickerSet *sticker_set, bool with
   bool is_loaded = sticker_set->is_loaded && is_full;
   bool has_expires_at = !sticker_set->is_installed && sticker_set->expires_at != 0;
   bool has_thumbnail = sticker_set->thumbnail.file_id.is_valid();
+  bool has_minithumbnail = !sticker_set->minithumbnail.empty();
   BEGIN_STORE_FLAGS();
   STORE_FLAG(sticker_set->is_inited);
   STORE_FLAG(was_loaded);
@@ -132,7 +143,8 @@ void StickersManager::store_sticker_set(const StickerSet *sticker_set, bool with
   STORE_FLAG(has_thumbnail);
   STORE_FLAG(sticker_set->is_thumbnail_reloaded);
   STORE_FLAG(sticker_set->is_animated);
-  STORE_FLAG(sticker_set->are_legacy_thumbnails_reloaded);
+  STORE_FLAG(sticker_set->are_legacy_sticker_thumbnails_reloaded);
+  STORE_FLAG(has_minithumbnail);
   END_STORE_FLAGS();
   store(sticker_set->id.get(), storer);
   store(sticker_set->access_hash, storer);
@@ -147,6 +159,9 @@ void StickersManager::store_sticker_set(const StickerSet *sticker_set, bool with
     if (has_thumbnail) {
       store(sticker_set->thumbnail, storer);
     }
+    if (has_minithumbnail) {
+      store(sticker_set->minithumbnail, storer);
+    }
 
     uint32 stored_sticker_count = narrow_cast<uint32>(is_full ? sticker_set->sticker_ids.size() : stickers_limit);
     store(stored_sticker_count, storer);
@@ -175,9 +190,10 @@ void StickersManager::parse_sticker_set(StickerSet *sticker_set, ParserT &parser
   bool is_archived;
   bool is_official;
   bool is_masks;
-  bool is_animated;
   bool has_expires_at;
   bool has_thumbnail;
+  bool is_animated;
+  bool has_minithumbnail;
   BEGIN_PARSE_FLAGS();
   PARSE_FLAG(sticker_set->is_inited);
   PARSE_FLAG(sticker_set->was_loaded);
@@ -191,7 +207,8 @@ void StickersManager::parse_sticker_set(StickerSet *sticker_set, ParserT &parser
   PARSE_FLAG(has_thumbnail);
   PARSE_FLAG(sticker_set->is_thumbnail_reloaded);
   PARSE_FLAG(is_animated);
-  PARSE_FLAG(sticker_set->are_legacy_thumbnails_reloaded);
+  PARSE_FLAG(sticker_set->are_legacy_sticker_thumbnails_reloaded);
+  PARSE_FLAG(has_minithumbnail);
   END_PARSE_FLAGS();
   int64 sticker_set_id;
   int64 access_hash;
@@ -206,6 +223,8 @@ void StickersManager::parse_sticker_set(StickerSet *sticker_set, ParserT &parser
   if (sticker_set->is_inited) {
     string title;
     string short_name;
+    string minithumbnail;
+    PhotoSize thumbnail;
     int32 sticker_count;
     int32 hash;
     int32 expires_at = 0;
@@ -217,11 +236,17 @@ void StickersManager::parse_sticker_set(StickerSet *sticker_set, ParserT &parser
       parse(expires_at, parser);
     }
     if (has_thumbnail) {
-      parse(sticker_set->thumbnail, parser);
+      parse(thumbnail, parser);
     }
+    if (has_minithumbnail) {
+      parse(minithumbnail, parser);
+    }
+
     if (!was_inited) {
       sticker_set->title = std::move(title);
       sticker_set->short_name = std::move(short_name);
+      sticker_set->minithumbnail = std::move(minithumbnail);
+      sticker_set->thumbnail = std::move(thumbnail);
       sticker_set->sticker_count = sticker_count;
       sticker_set->hash = hash;
       sticker_set->expires_at = expires_at;
diff --git a/td/telegram/Version.h b/td/telegram/Version.h
index 4a2097404..79e030266 100644
--- a/td/telegram/Version.h
+++ b/td/telegram/Version.h
@@ -8,7 +8,7 @@
 
 namespace td {
 
-constexpr int32 MTPROTO_LAYER = 120;
+constexpr int32 MTPROTO_LAYER = 121;
 
 enum class Version : int32 {
   Initial,  // 0