diff --git a/s3-uploader/runtimes/dotnet9_aot_on_provided_al2023/src/LambdaPerf.csproj b/s3-uploader/runtimes/dotnet9_aot_on_provided_al2023/src/LambdaPerf.csproj
index 7a16eb8a6b..f865e8c408 100644
--- a/s3-uploader/runtimes/dotnet9_aot_on_provided_al2023/src/LambdaPerf.csproj
+++ b/s3-uploader/runtimes/dotnet9_aot_on_provided_al2023/src/LambdaPerf.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Amazon.Lambda.RuntimeSupport" Version="1.14.2" />
-    <PackageReference Include="Amazon.Lambda.Core" Version="2.8.1" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="3.1.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.SystemTextJson" Version="2.4.4" />
   </ItemGroup>