diff --git a/Directory.Build.props b/Directory.Build.props
index b40a53cfd0..c839fcd356 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,8 +1,8 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 	<PropertyGroup>
-		<ClientOfficialVersion>3.39.0</ClientOfficialVersion>
+		<ClientOfficialVersion>3.39.1</ClientOfficialVersion>
 		<ClientPreviewVersion>3.40.0</ClientPreviewVersion>
-		<ClientPreviewSuffixVersion>preview.0</ClientPreviewSuffixVersion>
+		<ClientPreviewSuffixVersion>preview.1</ClientPreviewSuffixVersion>
 		<DirectVersion>3.33.1</DirectVersion>
 		<EncryptionOfficialVersion>2.0.4</EncryptionOfficialVersion>
 		<EncryptionPreviewVersion>2.1.0</EncryptionPreviewVersion>
diff --git a/changelog.md b/changelog.md
index ba26c7365c..16517e8f95 100644
--- a/changelog.md
+++ b/changelog.md
@@ -13,6 +13,12 @@ Preview features are treated as a separate branch and will not be included in th
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+### <a name="3.40.0-preview.1"/> [3.40.0-preview.1](https://www.nuget.org/packages/Microsoft.Azure.Cosmos/3.40.0-preview.1) - 2024-04-17
+### <a name="3.39.1"/> [3.39.1](https://www.nuget.org/packages/Microsoft.Azure.Cosmos/3.39.1) - 2024-04-17
+
+#### Fixed
+- [4426](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/4426) ChangeFeedProcessor: Fixes ArgumentException when dealing with Legacy lease incremental documents that do not have a Mode property
+ 
 ### <a name="3.40.0-preview.0"/> [3.40.0-preview.0](https://www.nuget.org/packages/Microsoft.Azure.Cosmos/3.40.0-preview.0) - 2024-04-05
 
 #### Fixed