diff --git a/AWSIoTPythonSDK/__init__.py b/AWSIoTPythonSDK/__init__.py
index 1ad354e..a06ff4e 100755
--- a/AWSIoTPythonSDK/__init__.py
+++ b/AWSIoTPythonSDK/__init__.py
@@ -1 +1 @@
-__version__ = "1.4.9"
+__version__ = "1.5.3"
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e63030c..5ebb619 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,9 @@
 CHANGELOG
 =========
 
+1.5.3
+* improvement: Support Python3.12+ by conditionally removing deprecated API usage
+
 1.4.9
 =====
 * bugfix: Fixing possible race condition with timer in deviceShadow.