diff --git a/CHANGELOG.md b/CHANGELOG.md
index c782e2f582e..c5ede85d2d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [1.2.2] - 04/30/2024
+
+### Features
+* (**chimesdkvoice**) Due to changes made by the Amazon Alexa service, GetSipMediaApplicationAlexaSkillConfiguration and PutSipMediaApplicationAlexaSkillConfiguration APIs are no longer available for use. For more information, refer to the Alexa Smart Properties page.
+* (**codeartifact**) Add support for the Ruby package format.
+* (**fms**) AWS Firewall Manager now supports the network firewall service stream exception policy feature for accounts within your organization.
+* (**omics**) Add support for workflow sharing and dynamic run storage
+* (**opensearch**) This release enables customers to create Route53 A and AAAA alias record types to point custom endpoint domain to OpenSearch domain's dualstack search endpoint.
+* (**pinpointsmsvoicev2**) Amazon Pinpoint has added two new features Multimedia services (MMS) and protect configurations. Use the three new MMS APIs to send media messages to a mobile phone which includes image, audio, text, or video files. Use the ten new protect configurations APIs to block messages to specific countries.
+* (**qbusiness**) This is a general availability (GA) release of Amazon Q Business. Q Business enables employees in an enterprise to get comprehensive answers to complex questions and take actions through a unified, intuitive web-based chat experience - using an enterprise's existing content, data, and systems.
+* (**quicksight**) New Q embedding supporting Generative Q&A
+* (**route53resolver**) Release of FirewallDomainRedirectionAction parameter on the Route 53 DNS Firewall Rule.  This allows customers to configure a DNS Firewall rule to inspect all the domains in the DNS redirection chain (default) , such as CNAME, ALIAS, DNAME, etc., or just the first domain and trust the rest.
+* (**sagemaker**) Amazon SageMaker Training now supports the use of attribute-based access control (ABAC) roles for training job execution roles. Amazon SageMaker Inference now supports G6 instance types.
+
+### Documentation
+* (**signer**) Documentation updates for AWS Signer. Adds cross-account signing constraint and definitions for cross-account actions.
+
 ## [1.2.1] - 04/29/2024
 
 ### Features
diff --git a/gradle.properties b/gradle.properties
index 2164f2c870e..1910036ba59 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.2.2-SNAPSHOT
+sdkVersion=1.2.2
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/