diff --git a/RELEASE.CHANGELOG.md b/RELEASE.CHANGELOG.md
index 4f71031..eb78957 100644
--- a/RELEASE.CHANGELOG.md
+++ b/RELEASE.CHANGELOG.md
@@ -1,3 +1,9 @@
+### August 8, 2024
+
+`2.2.0`:
+
+- Propogate error type in header when reporting init error to RAPID ([#166](https://github.com/aws/aws-lambda-python-runtime-interface-client/pull/166))
+
 ### July 31, 2024
 
 `2.1.0`:
diff --git a/awslambdaric/__init__.py b/awslambdaric/__init__.py
index 9d397ae..7f0a413 100644
--- a/awslambdaric/__init__.py
+++ b/awslambdaric/__init__.py
@@ -2,4 +2,4 @@
 Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 """
 
-__version__ = "2.1.0"
+__version__ = "2.2.0"