diff --git a/test/lib_i2s/backpressure_test/src/main.c b/test/lib_i2s/backpressure_test/src/main.c
index d53e8d9..0f14b9f 100644
--- a/test/lib_i2s/backpressure_test/src/main.c
+++ b/test/lib_i2s/backpressure_test/src/main.c
@@ -1,4 +1,4 @@
-// Copyright 2016-2022 XMOS LIMITED.
+// Copyright 2016-2024 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <platform.h>
 #include <xs1.h>
diff --git a/test/lib_i2s/i2s_master_external_clock_test/src/main.c b/test/lib_i2s/i2s_master_external_clock_test/src/main.c
index 2c7309c..03f8923 100644
--- a/test/lib_i2s/i2s_master_external_clock_test/src/main.c
+++ b/test/lib_i2s/i2s_master_external_clock_test/src/main.c
@@ -1,4 +1,4 @@
-// Copyright 2015-2022 XMOS LIMITED.
+// Copyright 2015-2024 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <xs1.h>
 #include <i2s.h>
diff --git a/test/lib_i2s/i2s_master_test/src/main.c b/test/lib_i2s/i2s_master_test/src/main.c
index 6a6e525..2e1698e 100644
--- a/test/lib_i2s/i2s_master_test/src/main.c
+++ b/test/lib_i2s/i2s_master_test/src/main.c
@@ -1,4 +1,4 @@
-// Copyright 2015-2022 XMOS LIMITED.
+// Copyright 2015-2024 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <xs1.h>
 #include <i2s.h>
diff --git a/test/lib_i2s/i2s_slave_test/src/main.c b/test/lib_i2s/i2s_slave_test/src/main.c
index 979fdd4..0b7ccb9 100644
--- a/test/lib_i2s/i2s_slave_test/src/main.c
+++ b/test/lib_i2s/i2s_slave_test/src/main.c
@@ -1,4 +1,4 @@
-// Copyright 2015-2022 XMOS LIMITED.
+// Copyright 2015-2024 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <xs1.h>
 #include <i2s.h>