diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1925c19..6926120 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog for backoffAlgorithm Library
 
+## v1.4.0 (May 2024)
+
+### Changes
+- [#51](https://github.com/FreeRTOS/backoffAlgorithm/pull/51) Update MISRA Check Information.
+- [#45](https://github.com/FreeRTOS/backoffAlgorithm/pull/45) Update doxygen version to 1.9.6.
+
 ## v1.3.0 (October 2022)
 
 ### Changes
diff --git a/docs/doxygen/config.doxyfile b/docs/doxygen/config.doxyfile
index af41f28..66e1320 100644
--- a/docs/doxygen/config.doxyfile
+++ b/docs/doxygen/config.doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = backoffAlgorithm
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v1.3.0
+PROJECT_NUMBER         = v1.4.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/manifest.yml b/manifest.yml
index ad2c7b7..bec28fb 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -1,5 +1,5 @@
 name : "backoffAlgorithm"
-version: "v1.3.0"
+version: "v1.4.0"
 description: |
   "Algorithm for calculating exponential backoff with jitter for network retry attempts.\n"
 license: "MIT"
diff --git a/source/backoff_algorithm.c b/source/backoff_algorithm.c
index fac59a1..aa49be2 100644
--- a/source/backoff_algorithm.c
+++ b/source/backoff_algorithm.c
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.3.0
+ * backoffAlgorithm v1.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT
diff --git a/source/include/backoff_algorithm.h b/source/include/backoff_algorithm.h
index 4219cc3..6abcbfc 100644
--- a/source/include/backoff_algorithm.h
+++ b/source/include/backoff_algorithm.h
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.3.0
+ * backoffAlgorithm v1.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT
diff --git a/test/unit-test/backoff_algorithm_utest.c b/test/unit-test/backoff_algorithm_utest.c
index a61d7b7..67f0feb 100644
--- a/test/unit-test/backoff_algorithm_utest.c
+++ b/test/unit-test/backoff_algorithm_utest.c
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.3.0
+ * backoffAlgorithm v1.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT
diff --git a/test/unit-test/catch_assert.h b/test/unit-test/catch_assert.h
index 286bd31..8fcaf8a 100644
--- a/test/unit-test/catch_assert.h
+++ b/test/unit-test/catch_assert.h
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.3.0
+ * backoffAlgorithm v1.4.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * SPDX-License-Identifier: MIT