diff --git a/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj b/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
index 18270c2..beb3921 100644
--- a/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
+++ b/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.3.0" />
     <PackageReference Include="Amazon.Lambda.Core" Version="1.1.0" />
-    <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.7.0" />
+    <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="2.0.0" />
     <PackageReference Include="AWSSDK.S3" Version="3.3.110.42" />
   </ItemGroup>