diff --git a/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api.Tests.Unit/{{cookiecutter.project_class_name}}.Api.Tests.Unit.csproj b/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api.Tests.Unit/{{cookiecutter.project_class_name}}.Api.Tests.Unit.csproj
index 6732f34..e88562b 100644
--- a/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api.Tests.Unit/{{cookiecutter.project_class_name}}.Api.Tests.Unit.csproj
+++ b/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api.Tests.Unit/{{cookiecutter.project_class_name}}.Api.Tests.Unit.csproj
@@ -13,7 +13,7 @@
     <PackageReference Include="Amazon.Lambda.Core" Version="2.8.1" />
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="2.7.3" />
     <PackageReference Include="Amazon.Lambda.TestUtilities" Version="3.0.1" />
-    <PackageReference Include="AWSSDK.DynamoDBv2" Version="3.7.513.1" />
+    <PackageReference Include="AWSSDK.DynamoDBv2" Version="4.0.17.10" />
 {%- endif %}
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
diff --git a/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api/{{cookiecutter.project_class_name}}.Api.csproj b/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api/{{cookiecutter.project_class_name}}.Api.csproj
index 0a20d99..f9bac08 100644
--- a/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api/{{cookiecutter.project_class_name}}.Api.csproj
+++ b/dotnet/{{cookiecutter.project_class_name}}/{{cookiecutter.project_class_name}}.Api/{{cookiecutter.project_class_name}}.Api.csproj
@@ -34,7 +34,7 @@
     <PackageReference Include="Amazon.Lambda.Serialization.SystemTextJson" Version="2.4.5" />
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="2.7.3" />
     <PackageReference Include="Amazon.Lambda.Annotations" Version="1.11.0" />
-    <PackageReference Include="AWSSDK.DynamoDBv2" Version="3.7.513.1" />
+    <PackageReference Include="AWSSDK.DynamoDBv2" Version="4.0.17.10" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.5" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.5" />
 {%- endif %}