FreeRTOS · kstribrnAmzn · Aug 21, 2026 · Aug 21, 2026 · Aug 21, 2026 · Aug 21, 2026
diff --git a/.github/scripts/kernel_checker.py b/.github/scripts/kernel_checker.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #/*
-# * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+# * FreeRTOS Kernel V11.3.1
 # * Copyright (C) 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
 # *
@@ -128,7 +128,7 @@
 
 KERNEL_HEADER = [
     '/*\n',
-    ' * FreeRTOS Kernel <DEVELOPMENT BRANCH>\n',
+    ' * FreeRTOS Kernel V11.3.1\n',
     ' * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.\n',
     ' *\n',
     ' * SPDX-License-Identifier: MIT\n',

diff --git a/croutine.c b/croutine.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/event_groups.c b/event_groups.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/examples/cmake_example/main.c b/examples/cmake_example/main.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/examples/coverity/FreeRTOSConfig.h b/examples/coverity/FreeRTOSConfig.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/examples/template_configuration/FreeRTOSConfig.h b/examples/template_configuration/FreeRTOSConfig.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/StackMacros.h b/include/StackMacros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/atomic.h b/include/atomic.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/croutine.h b/include/croutine.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/deprecated_definitions.h b/include/deprecated_definitions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/event_groups.h b/include/event_groups.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/list.h b/include/list.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/message_buffer.h b/include/message_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/mpu_prototypes.h b/include/mpu_prototypes.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/mpu_syscall_numbers.h b/include/mpu_syscall_numbers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/mpu_wrappers.h b/include/mpu_wrappers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/newlib-freertos.h b/include/newlib-freertos.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/picolibc-freertos.h b/include/picolibc-freertos.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/portable.h b/include/portable.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/projdefs.h b/include/projdefs.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/queue.h b/include/queue.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/semphr.h b/include/semphr.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/stack_macros.h b/include/stack_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/stdint.readme b/include/stdint.readme
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/stream_buffer.h b/include/stream_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/include/task.h b/include/task.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *
@@ -54,10 +54,10 @@
  * The tskKERNEL_VERSION_MAJOR, tskKERNEL_VERSION_MINOR, tskKERNEL_VERSION_BUILD
  * values will reflect the last released version number.
  */
-#define tskKERNEL_VERSION_NUMBER                      "V11.1.0+"
+#define tskKERNEL_VERSION_NUMBER                      "V11.3.1"
 #define tskKERNEL_VERSION_MAJOR                       11
-#define tskKERNEL_VERSION_MINOR                       1
-#define tskKERNEL_VERSION_BUILD                       0
+#define tskKERNEL_VERSION_MINOR                       3
+#define tskKERNEL_VERSION_BUILD                       1
 
 /* MPU region parameters passed in ulParameters
  * of MemoryRegion_t struct. */

diff --git a/include/timers.h b/include/timers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/list.c b/list.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/manifest.yml b/manifest.yml
@@ -1,4 +1,4 @@
 name : "FreeRTOS-Kernel"
-version: "V11.0.1+"
+version: "V11.3.1"
 description: "FreeRTOS Kernel."
 license: "MIT"
diff --git a/portable/ARMv8M/copy_files.py b/portable/ARMv8M/copy_files.py
@@ -1,5 +1,5 @@
 #/*
-# * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+# * FreeRTOS Kernel V11.3.1
 # * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # *
 # * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/port.c b/portable/ARMv8M/non_secure/port.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2024-2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/mpu_wrappers_v2_asm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/mpu_wrappers_v2_asm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/mpu_wrappers_v2_asm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/mpu_wrappers_v2_asm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM23_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/mpu_wrappers_v2_asm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/mpu_wrappers_v2_asm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2024 Arm Limited and/or its affiliates
  * <open-source-office@arm.com>

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/mpu_wrappers_v2_asm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/mpu_wrappers_v2_asm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portasm.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2024, 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM33_NTZ/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM35P/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM35P/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM52/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM52/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright (c) 2025 Arm Technology (China) Co., Ltd.All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM55/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM55/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_CM85/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_CM85/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/GCC/ARM_STAR_MC3/portmacro.h b/portable/ARMv8M/non_secure/portable/GCC/ARM_STAR_MC3/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright (c) 2026 Arm Technology (China) Co., Ltd.All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>

diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/mpu_wrappers_v2_asm.S b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/mpu_wrappers_v2_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portasm.s
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT

diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23/portmacro.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * Copyright 2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
  *

diff --git a/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/mpu_wrappers_v2_asm.S b/portable/ARMv8M/non_secure/portable/IAR/ARM_CM23_NTZ/mpu_wrappers_v2_asm.S
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel <DEVELOPMENT BRANCH>
+ * FreeRTOS Kernel V11.3.1
  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT