diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 880927e6..165a6187 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,6 +1,6 @@
 {
   "pkgs/dotnet-server-sdk-consul": "5.0.0",
-  "pkgs/dotnet-server-sdk-dynamodb": "4.0.2",
+  "pkgs/dotnet-server-sdk-dynamodb": "5.0.0",
   "pkgs/dotnet-server-sdk-redis": "5.1.0",
   "pkgs/sdk/server": "8.10.3",
   "pkgs/sdk/client": "5.5.4",
diff --git a/pkgs/dotnet-server-sdk-dynamodb/CHANGELOG.md b/pkgs/dotnet-server-sdk-dynamodb/CHANGELOG.md
index bbb7ddc8..fb35262f 100644
--- a/pkgs/dotnet-server-sdk-dynamodb/CHANGELOG.md
+++ b/pkgs/dotnet-server-sdk-dynamodb/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to the LaunchDarkly .NET SDK DynamoDB integration will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [5.0.0](https://github.com/launchdarkly/dotnet-core/compare/LaunchDarkly.ServerSdk.DynamoDB-v4.0.2...LaunchDarkly.ServerSdk.DynamoDB-v5.0.0) (2025-10-22)
+
+
+### ⚠ BREAKING CHANGES
+
+* Drop support for AWSSDK.DynamoDB v3 ([#173](https://github.com/launchdarkly/dotnet-core/issues/173))
+
+### Features
+
+* Support AWSSDK.DynamoDB v4 ([#173](https://github.com/launchdarkly/dotnet-core/issues/173)) ([05c16c1](https://github.com/launchdarkly/dotnet-core/commit/05c16c16865f6978df2cd6eb9b057bdbbacb4aad))
+
 ## [4.0.2](https://github.com/launchdarkly/dotnet-core/compare/LaunchDarkly.ServerSdk.DynamoDB-v4.0.1...LaunchDarkly.ServerSdk.DynamoDB-v4.0.2) (2025-10-21)
 
 
diff --git a/pkgs/dotnet-server-sdk-dynamodb/src/LaunchDarkly.ServerSdk.DynamoDB.csproj b/pkgs/dotnet-server-sdk-dynamodb/src/LaunchDarkly.ServerSdk.DynamoDB.csproj
index ccede832..3a104d5c 100644
--- a/pkgs/dotnet-server-sdk-dynamodb/src/LaunchDarkly.ServerSdk.DynamoDB.csproj
+++ b/pkgs/dotnet-server-sdk-dynamodb/src/LaunchDarkly.ServerSdk.DynamoDB.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <!--x-release-please-start-version-->
-    <Version>4.0.2</Version>
+    <Version>5.0.0</Version>
     <!--x-release-please-end-->
     <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <PackageId>LaunchDarkly.ServerSdk.DynamoDB</PackageId>