diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3eb0d12..565b9e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog for backoffAlgorithm Library
 
+## v1.2.0 (November 2021)
+- [#31](https://github.com/FreeRTOS/backoffAlgorithm/pull/31) Update doxygen version for documentation.
+- [#30](https://github.com/FreeRTOS/backoffAlgorithm/pull/30) Add code examples to documentation.
+
 ## v1.1.0 (July 2021)
 
 ### Changes
diff --git a/docs/doxygen/config.doxyfile b/docs/doxygen/config.doxyfile
index 515be47..4bd077b 100644
--- a/docs/doxygen/config.doxyfile
+++ b/docs/doxygen/config.doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = backoffAlgorithm
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v1.1.0
+PROJECT_NUMBER         = v1.2.0
 
 # 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 a3f03b9..a2e6a1f 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -1,5 +1,5 @@
 name : "backoffAlgorithm"
-version: "v1.1.0"
+version: "v1.2.0"
 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 0ace108..c08c686 100644
--- a/source/backoff_algorithm.c
+++ b/source/backoff_algorithm.c
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.1.0
+ * backoffAlgorithm v1.2.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/source/include/backoff_algorithm.h b/source/include/backoff_algorithm.h
index 000e9dd..5b3c9b3 100644
--- a/source/include/backoff_algorithm.h
+++ b/source/include/backoff_algorithm.h
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.1.0
+ * backoffAlgorithm v1.2.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/test/unit-test/backoff_algorithm_utest.c b/test/unit-test/backoff_algorithm_utest.c
index 1323fad..5a2767a 100644
--- a/test/unit-test/backoff_algorithm_utest.c
+++ b/test/unit-test/backoff_algorithm_utest.c
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.1.0
+ * backoffAlgorithm v1.2.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/test/unit-test/catch_assert.h b/test/unit-test/catch_assert.h
index 8033325..62ae3ea 100644
--- a/test/unit-test/catch_assert.h
+++ b/test/unit-test/catch_assert.h
@@ -1,5 +1,5 @@
 /*
- * backoffAlgorithm v1.1.0
+ * backoffAlgorithm v1.2.0
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of