diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index dd507a2..96b19df 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 7ed3737..42d1079 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/ClientManager.cpp b/telegram-bot-api/ClientManager.cpp
index f275535..859d8f5 100644
--- a/telegram-bot-api/ClientManager.cpp
+++ b/telegram-bot-api/ClientManager.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/ClientManager.h b/telegram-bot-api/ClientManager.h
index c76dc7a..8d0c375 100644
--- a/telegram-bot-api/ClientManager.h
+++ b/telegram-bot-api/ClientManager.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/ClientParameters.h b/telegram-bot-api/ClientParameters.h
index ee7583a..c04938b 100644
--- a/telegram-bot-api/ClientParameters.h
+++ b/telegram-bot-api/ClientParameters.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/HttpConnection.cpp b/telegram-bot-api/HttpConnection.cpp
index 2b87707..ae4bda4 100644
--- a/telegram-bot-api/HttpConnection.cpp
+++ b/telegram-bot-api/HttpConnection.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/HttpConnection.h b/telegram-bot-api/HttpConnection.h
index 8d583db..a4b1160 100644
--- a/telegram-bot-api/HttpConnection.h
+++ b/telegram-bot-api/HttpConnection.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/HttpServer.h b/telegram-bot-api/HttpServer.h
index 18a5b06..35bf747 100644
--- a/telegram-bot-api/HttpServer.h
+++ b/telegram-bot-api/HttpServer.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/HttpStatConnection.cpp b/telegram-bot-api/HttpStatConnection.cpp
index 5d666b2..9d66aba 100644
--- a/telegram-bot-api/HttpStatConnection.cpp
+++ b/telegram-bot-api/HttpStatConnection.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/HttpStatConnection.h b/telegram-bot-api/HttpStatConnection.h
index 0574309..5ef7db9 100644
--- a/telegram-bot-api/HttpStatConnection.h
+++ b/telegram-bot-api/HttpStatConnection.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/Query.cpp b/telegram-bot-api/Query.cpp
index 41cb1ec..5deed1d 100644
--- a/telegram-bot-api/Query.cpp
+++ b/telegram-bot-api/Query.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/Query.h b/telegram-bot-api/Query.h
index 24bdac3..33bedc4 100644
--- a/telegram-bot-api/Query.h
+++ b/telegram-bot-api/Query.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/Stats.cpp b/telegram-bot-api/Stats.cpp
index b32d0de..ba81026 100644
--- a/telegram-bot-api/Stats.cpp
+++ b/telegram-bot-api/Stats.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/Stats.h b/telegram-bot-api/Stats.h
index d2438d7..06e6606 100644
--- a/telegram-bot-api/Stats.h
+++ b/telegram-bot-api/Stats.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/WebhookActor.cpp b/telegram-bot-api/WebhookActor.cpp
index e04887d..d8cbb7e 100644
--- a/telegram-bot-api/WebhookActor.cpp
+++ b/telegram-bot-api/WebhookActor.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/WebhookActor.h b/telegram-bot-api/WebhookActor.h
index f588b3f..03e37a1 100644
--- a/telegram-bot-api/WebhookActor.h
+++ b/telegram-bot-api/WebhookActor.h
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/telegram-bot-api/telegram-bot-api.cpp b/telegram-bot-api/telegram-bot-api.cpp
index 4536919..833a513 100644
--- a/telegram-bot-api/telegram-bot-api.cpp
+++ b/telegram-bot-api/telegram-bot-api.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)