diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68abcaa..bfd2274 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/Makefile.am b/Makefile.am
index f9ab461..30072a9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/autogen.sh b/autogen.sh
index 04e5e70..8284cc5 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/build.cmd b/build.cmd
index 674802a..f7088f5 100644
--- a/build.cmd
+++ b/build.cmd
@@ -1,5 +1,5 @@
 REM ###########################################################################
-REM #  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+REM #  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 REM #
 REM #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 REM #
diff --git a/builds/cmake/CMakeLists.txt b/builds/cmake/CMakeLists.txt
index 9a8f9ce..1ebde72 100644
--- a/builds/cmake/CMakeLists.txt
+++ b/builds/cmake/CMakeLists.txt
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindBitcoin-System.cmake b/builds/cmake/modules/FindBitcoin-System.cmake
index 9a8693e..b6a4804 100644
--- a/builds/cmake/modules/FindBitcoin-System.cmake
+++ b/builds/cmake/modules/FindBitcoin-System.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/cmake/modules/FindMbedtls.cmake b/builds/cmake/modules/FindMbedtls.cmake
index ae71c87..b25e34c 100644
--- a/builds/cmake/modules/FindMbedtls.cmake
+++ b/builds/cmake/modules/FindMbedtls.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin developers (see COPYING).
 #
 ###############################################################################
 # FindMbedtls
diff --git a/builds/cmake/modules/FindZmq.cmake b/builds/cmake/modules/FindZmq.cmake
index d9313b0..65b24b3 100644
--- a/builds/cmake/modules/FindZmq.cmake
+++ b/builds/cmake/modules/FindZmq.cmake
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/builds/msvc/debug.natvis b/builds/msvc/debug.natvis
index 763ee1b..5e6840f 100644
--- a/builds/msvc/debug.natvis
+++ b/builds/msvc/debug.natvis
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj b/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
index 3afd4cd..43c4609 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
index 6634e5a..c194c6b 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-protocol-test/libbitcoin-protocol-test.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol-test/packages.config b/builds/msvc/vs2022/libbitcoin-protocol-test/packages.config
index 5a6c6c1..44d7640 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol-test/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-protocol-test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
index dbec813..939752a 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
+++ b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
index 29f793c..7508a79 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
+++ b/builds/msvc/vs2022/libbitcoin-protocol/libbitcoin-protocol.vcxproj.filters
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/builds/msvc/vs2022/libbitcoin-protocol/packages.config b/builds/msvc/vs2022/libbitcoin-protocol/packages.config
index bc2f1db..30c9140 100644
--- a/builds/msvc/vs2022/libbitcoin-protocol/packages.config
+++ b/builds/msvc/vs2022/libbitcoin-protocol/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
- |  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+ |  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
  |
  |         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
  |
diff --git a/configure.ac b/configure.ac
index 7a8521b..c671903 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/include/bitcoin/protocol.hpp b/include/bitcoin/protocol.hpp
index e0f6b00..618806a 100644
--- a/include/bitcoin/protocol.hpp
+++ b/include/bitcoin/protocol.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+// Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/protocol/boost.hpp b/include/bitcoin/protocol/boost.hpp
index 768a7c2..ffb42f7 100644
--- a/include/bitcoin/protocol/boost.hpp
+++ b/include/bitcoin/protocol/boost.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/config/sodium.hpp b/include/bitcoin/protocol/config/sodium.hpp
index 108a5e2..e65133e 100644
--- a/include/bitcoin/protocol/config/sodium.hpp
+++ b/include/bitcoin/protocol/config/sodium.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/define.hpp b/include/bitcoin/protocol/define.hpp
index edd4973..9037586 100644
--- a/include/bitcoin/protocol/define.hpp
+++ b/include/bitcoin/protocol/define.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/network.hpp b/include/bitcoin/protocol/network.hpp
index 9c8e89a..4a427fb 100644
--- a/include/bitcoin/protocol/network.hpp
+++ b/include/bitcoin/protocol/network.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/settings.hpp b/include/bitcoin/protocol/settings.hpp
index 544cc9f..6f0b192 100644
--- a/include/bitcoin/protocol/settings.hpp
+++ b/include/bitcoin/protocol/settings.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/version.hpp b/include/bitcoin/protocol/version.hpp
index f756a9c..3dd2495 100644
--- a/include/bitcoin/protocol/version.hpp
+++ b/include/bitcoin/protocol/version.hpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+// Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 //
 //        GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 //
diff --git a/include/bitcoin/protocol/zmq/authenticator.hpp b/include/bitcoin/protocol/zmq/authenticator.hpp
index 0e82832..fe51dcb 100644
--- a/include/bitcoin/protocol/zmq/authenticator.hpp
+++ b/include/bitcoin/protocol/zmq/authenticator.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/certificate.hpp b/include/bitcoin/protocol/zmq/certificate.hpp
index bcfb7a1..7dcaa26 100644
--- a/include/bitcoin/protocol/zmq/certificate.hpp
+++ b/include/bitcoin/protocol/zmq/certificate.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/context.hpp b/include/bitcoin/protocol/zmq/context.hpp
index 145c314..baa32ba 100644
--- a/include/bitcoin/protocol/zmq/context.hpp
+++ b/include/bitcoin/protocol/zmq/context.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/error.hpp b/include/bitcoin/protocol/zmq/error.hpp
index 4a91b4f..fea2cb8 100644
--- a/include/bitcoin/protocol/zmq/error.hpp
+++ b/include/bitcoin/protocol/zmq/error.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/frame.hpp b/include/bitcoin/protocol/zmq/frame.hpp
index 8c68b60..46160f9 100644
--- a/include/bitcoin/protocol/zmq/frame.hpp
+++ b/include/bitcoin/protocol/zmq/frame.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/identifiers.hpp b/include/bitcoin/protocol/zmq/identifiers.hpp
index 67108fb..642910e 100644
--- a/include/bitcoin/protocol/zmq/identifiers.hpp
+++ b/include/bitcoin/protocol/zmq/identifiers.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/message.hpp b/include/bitcoin/protocol/zmq/message.hpp
index e778376..3a84d1e 100644
--- a/include/bitcoin/protocol/zmq/message.hpp
+++ b/include/bitcoin/protocol/zmq/message.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/poller.hpp b/include/bitcoin/protocol/zmq/poller.hpp
index 38bbb2d..652ce6a 100644
--- a/include/bitcoin/protocol/zmq/poller.hpp
+++ b/include/bitcoin/protocol/zmq/poller.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/socket.hpp b/include/bitcoin/protocol/zmq/socket.hpp
index a3afe17..7f7b4ad 100644
--- a/include/bitcoin/protocol/zmq/socket.hpp
+++ b/include/bitcoin/protocol/zmq/socket.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/worker.hpp b/include/bitcoin/protocol/zmq/worker.hpp
index acb551b..993d69a 100644
--- a/include/bitcoin/protocol/zmq/worker.hpp
+++ b/include/bitcoin/protocol/zmq/worker.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/include/bitcoin/protocol/zmq/zeromq.hpp b/include/bitcoin/protocol/zmq/zeromq.hpp
index a66fed9..0589cff 100644
--- a/include/bitcoin/protocol/zmq/zeromq.hpp
+++ b/include/bitcoin/protocol/zmq/zeromq.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/install-cmake.sh b/install-cmake.sh
index 08dac5c..c356840 100755
--- a/install-cmake.sh
+++ b/install-cmake.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index 18f9754..b57f4ad 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/install.sh b/install.sh
index dff60ec..bfa3630 100755
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-protocol-test_runner.sh b/libbitcoin-protocol-test_runner.sh
index 8d4a057..685be75 100755
--- a/libbitcoin-protocol-test_runner.sh
+++ b/libbitcoin-protocol-test_runner.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/libbitcoin-protocol.pc.in b/libbitcoin-protocol.pc.in
index 5042d28..c3692f9 100644
--- a/libbitcoin-protocol.pc.in
+++ b/libbitcoin-protocol.pc.in
@@ -1,5 +1,5 @@
 ###############################################################################
-#  Copyright (c) 2014-2025 libbitcoin-protocol developers (see COPYING).
+#  Copyright (c) 2014-2026 libbitcoin-protocol developers (see COPYING).
 #
 #         GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
 #
diff --git a/src/config/sodium.cpp b/src/config/sodium.cpp
index a220edf..bbda357 100644
--- a/src/config/sodium.cpp
+++ b/src/config/sodium.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/settings.cpp b/src/settings.cpp
index 77c900b..5ebb55f 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/authenticator.cpp b/src/zmq/authenticator.cpp
index 5773663..6e29090 100644
--- a/src/zmq/authenticator.cpp
+++ b/src/zmq/authenticator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/certificate.cpp b/src/zmq/certificate.cpp
index 4739bac..e09a61d 100644
--- a/src/zmq/certificate.cpp
+++ b/src/zmq/certificate.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/context.cpp b/src/zmq/context.cpp
index b335ee3..e8e66dc 100644
--- a/src/zmq/context.cpp
+++ b/src/zmq/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/error.cpp b/src/zmq/error.cpp
index ab3bdce..c259857 100644
--- a/src/zmq/error.cpp
+++ b/src/zmq/error.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/frame.cpp b/src/zmq/frame.cpp
index 25d4193..bd20f3d 100644
--- a/src/zmq/frame.cpp
+++ b/src/zmq/frame.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/identifiers.cpp b/src/zmq/identifiers.cpp
index d7e7dd1..ac3fe01 100644
--- a/src/zmq/identifiers.cpp
+++ b/src/zmq/identifiers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/message.cpp b/src/zmq/message.cpp
index 144dac2..7fa86b8 100644
--- a/src/zmq/message.cpp
+++ b/src/zmq/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/poller.cpp b/src/zmq/poller.cpp
index a83bebf..b616b75 100644
--- a/src/zmq/poller.cpp
+++ b/src/zmq/poller.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/socket.cpp b/src/zmq/socket.cpp
index 2419b78..ae6e9cc 100644
--- a/src/zmq/socket.cpp
+++ b/src/zmq/socket.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/src/zmq/worker.cpp b/src/zmq/worker.cpp
index 1c1fec8..9a8f688 100644
--- a/src/zmq/worker.cpp
+++ b/src/zmq/worker.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/converter.cpp b/test/converter.cpp
index 651c44e..3f59c5a 100644
--- a/test/converter.cpp
+++ b/test/converter.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/main.cpp b/test/main.cpp
index 39276d6..eff701a 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/test.cpp b/test/test.cpp
index afbdf69..9a72a11 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/test.hpp b/test/test.hpp
index b1ce690..76cae9f 100644
--- a/test/test.hpp
+++ b/test/test.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/utility.hpp b/test/utility.hpp
index 7f17ef8..5eba088 100644
--- a/test/utility.hpp
+++ b/test/utility.hpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/authenticator.cpp b/test/zmq/authenticator.cpp
index 364784e..cc8a36d 100644
--- a/test/zmq/authenticator.cpp
+++ b/test/zmq/authenticator.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/certificate.cpp b/test/zmq/certificate.cpp
index 97b8a17..fb1de90 100644
--- a/test/zmq/certificate.cpp
+++ b/test/zmq/certificate.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/context.cpp b/test/zmq/context.cpp
index 02955b9..bc446f3 100644
--- a/test/zmq/context.cpp
+++ b/test/zmq/context.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/error.cpp b/test/zmq/error.cpp
index ae0505e..cfedebe 100644
--- a/test/zmq/error.cpp
+++ b/test/zmq/error.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/frame.cpp b/test/zmq/frame.cpp
index 6388193..31599f7 100644
--- a/test/zmq/frame.cpp
+++ b/test/zmq/frame.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/identifiers.cpp b/test/zmq/identifiers.cpp
index fc193cc..4ac3378 100644
--- a/test/zmq/identifiers.cpp
+++ b/test/zmq/identifiers.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/message.cpp b/test/zmq/message.cpp
index 2a4c0b8..d2b4b2d 100644
--- a/test/zmq/message.cpp
+++ b/test/zmq/message.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/poller.cpp b/test/zmq/poller.cpp
index 0914c4d..f3612ce 100644
--- a/test/zmq/poller.cpp
+++ b/test/zmq/poller.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/socket.cpp b/test/zmq/socket.cpp
index 4f6ef4e..2f5bca9 100644
--- a/test/zmq/socket.cpp
+++ b/test/zmq/socket.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *
diff --git a/test/zmq/worker.cpp b/test/zmq/worker.cpp
index ca90e5b..eec1f07 100644
--- a/test/zmq/worker.cpp
+++ b/test/zmq/worker.cpp
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011-2025 libbitcoin developers (see AUTHORS)
+ * Copyright (c) 2011-2026 libbitcoin developers (see AUTHORS)
  *
  * This file is part of libbitcoin.
  *