diff --git a/samples/Exceptionless.SampleLambda/Exceptionless.SampleLambda.csproj b/samples/Exceptionless.SampleLambda/Exceptionless.SampleLambda.csproj
index b4fe70dc..32b861f2 100644
--- a/samples/Exceptionless.SampleLambda/Exceptionless.SampleLambda.csproj
+++ b/samples/Exceptionless.SampleLambda/Exceptionless.SampleLambda.csproj
@@ -8,7 +8,7 @@
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="3.3.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="3.4.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.SystemTextJson" Version="3.0.1" />
   </ItemGroup>