diff --git a/Changes b/Changes
index c1e00fe..4fe2d8f 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,10 @@
 Revision history for udpbench udp network benchmarking tool.
 
-1.13
+1.13 2026-01-03
+  * Fix multicast TTL option parsing.
+  * Allow to test read(2) and write(2) system call.
+  * On Linux the -G option enables Generic Receive Offload (GRO).
+  * Several man page corrections.
 
 1.12 2025-01-09
   * Implement sending and receiving IPv4 and IPv6 UDP multicast
diff --git a/LICENSE b/LICENSE
index 05f7a44..f16d2cc 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2019-2025 Alexander Bluhm <bluhm@genua.de>
+Copyright (c) 2019-2026 Alexander Bluhm <bluhm@genua.de>
 Copyright (c) 2022-2025 Moritz Buhl <mbuhl@mbuhl.me>
 
 Permission to use, copy, modify, and distribute this software for any
diff --git a/udpbench.1 b/udpbench.1
index ce21462..97521bc 100644
--- a/udpbench.1
+++ b/udpbench.1
@@ -1,6 +1,6 @@
 .\" $OpenBSD$
 .\"
-.\" Copyright (c) 2022-2025 Alexander Bluhm <bluhm@genua.de>
+.\" Copyright (c) 2022-2026 Alexander Bluhm <bluhm@genua.de>
 .\" Copyright (c) 2025 Moritz Buhl <mbuhl@mbuhl.me>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
@@ -304,7 +304,8 @@ receiving side, only difference to send is explained.
 .Bl -tag -width 8
 .It syscalls
 Number of
-.Xr recv 2
+.Xr recv 2 ,
+.Xr read 2 ,
 or
 .Xr recvmmsg 2
 system calls made.