diff --git a/README.md b/README.md
index bf66963..8e251e3 100644
--- a/README.md
+++ b/README.md
@@ -156,6 +156,10 @@ all languages.
 * The [Amazon Kinesis Forum][kinesis-forum]
 
 ## Release Notes
+### Release 2.2.2 (September 10, 2025)
+* [#321](https://github.com/awslabs/amazon-kinesis-client-python/pull/321) Upgrade io.netty:netty-codec from 4.1.118.Final to 4.1.125.Final
+* [#321](https://github.com/awslabs/amazon-kinesis-client-python/pull/321) Upgrade com.fasterxml.jackson.core:jackson-core from 2.13.5 to 2.15.0
+
 ### Release 2.2.1 (March 22, 2025)
 * Downgrade logback from 1.5.16 to 1.3.15 to maintain JDK 8 compatability
 
diff --git a/setup.py b/setup.py
index 22af670..d32b4cf 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@
 
 PACKAGE_NAME = 'amazon_kclpy'
 JAR_DIRECTORY = os.path.join(PACKAGE_NAME, 'jars')
-PACKAGE_VERSION = '2.2.1'
+PACKAGE_VERSION = '2.2.2'
 PYTHON_REQUIREMENTS = [
     'boto3',
     # argparse is part of python2.7 but must be declared for python2.6