diff --git a/LICENSE.md b/LICENSE.md
index 8fb4921..7149f5f 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,4 +1,4 @@
-Copyright 2025 Interzero Product Cycle GmbH
+Copyright 2025, 2026 Interzero Product Cycle GmbH
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 
diff --git a/README.md b/README.md
index 9284615..b623365 100644
--- a/README.md
+++ b/README.md
@@ -44,4 +44,4 @@ If you bridge both sides to a real NIC and you have DHCP servers on both network
 - Start an instance of EtherCat with the other ends of the FIFOs on both hosts
   - `./ethercat tapN < fifo2 > fifo1`
 
-<sub>Copyright 2025 Interzero Product Cycle GmbH, see LICENSE.md</sub>
+<sub>Copyright 2025, 2026 Interzero Product Cycle GmbH, see LICENSE.md</sub>
diff --git a/build-static.sh b/build-static.sh
index d4f5320..6e84766 100755
--- a/build-static.sh
+++ b/build-static.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2025 Interzero Product Cycle GmbH
+# Copyright 2025, 2026 Interzero Product Cycle GmbH
 #
 # This program is free software under the terms of the BSD-3-Clause license.
 # A copy of this license should have been provided with the code.
diff --git a/build.sh b/build.sh
index a112e99..69d9766 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2025 Interzero Product Cycle GmbH
+# Copyright 2025, 2026 Interzero Product Cycle GmbH
 #
 # This program is free software under the terms of the BSD-3-Clause license.
 # A copy of this license should have been provided with the code.
diff --git a/ethercat.c b/ethercat.c
index 621789b..f059829 100644
--- a/ethercat.c
+++ b/ethercat.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2025 Interzero Product Cycle GmbH
+  Copyright 2025, 2026 Interzero Product Cycle GmbH
 
   This program is free software under the terms of the BSD-3-Clause license.
   A copy of this license should have been provided with the code.