diff --git a/CHANGELOG.md b/CHANGELOG.md
index 090727b400c..5174c2580df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [1.3.43] - 09/30/2024
+
+### Features
+* (**bedrock**) Add support for custom models via provisioned throughput for Bedrock Model Evaluation
+* (**connect**) Amazon Connect introduces StartOutboundChatContact API allowing customers to initiate outbound chat contacts
+* (**resourcegroups**) This update includes new APIs to support application groups and to allow users to manage resource tag-sync tasks in applications.
+* (**supplychain**) Release DataLakeDataset, DataIntegrationFlow and ResourceTagging APIs for AWS Supply Chain
+* (**timestreaminfluxdb**) Timestream for InfluxDB now supports port configuration and additional customer-modifiable InfluxDB v2 parameters. This release adds Port to the CreateDbInstance and UpdateDbInstance API, and additional InfluxDB v2 parameters to the CreateDbParameterGroup API.
+
+### Documentation
+* (**clouddirectory**) Add examples for API operations in model.
+* (**pricing**) Add examples for API operations in model.
+* (**verifiedpermissions**) Add examples for API operations in model.
+
 ## [1.3.42] - 09/27/2024
 
 ### Features
diff --git a/gradle.properties b/gradle.properties
index d345a761615..e8afc83264b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.3.43-SNAPSHOT
+sdkVersion=1.3.43
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/