diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2d28258f17..870a3c13c4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.2.19] - 05/23/2024
+
+### Features
+* (**emrserverless**) This release adds the capability to run interactive workloads using Apache Livy Endpoint.
+
+### Documentation
+* (**opsworks**) Documentation-only update for OpsWorks Stacks.
+
 ## [1.2.18] - 05/22/2024
 
 ### Features
diff --git a/gradle.properties b/gradle.properties
index 757abdf45a3..d9bd61c4fba 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.2.19-SNAPSHOT
+sdkVersion=1.2.19
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/