diff --git a/GitHubHook/GitHubHook.csproj b/GitHubHook/GitHubHook.csproj
index 1d937d4..9d64498 100644
--- a/GitHubHook/GitHubHook.csproj
+++ b/GitHubHook/GitHubHook.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.3.0" />
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.1.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.0.0" />
     <PackageReference Include="AWSSDK.Core" Version="3.3.105.5" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="UnixTimeConverter" Version="1.3.0" />
diff --git a/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj b/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
index 18270c2..1fb3a64 100644
--- a/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
+++ b/samples/GitHubHook.S3Dump/GitHubHook.S3Dump.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.3.0" />
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.1.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.0.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.7.0" />
     <PackageReference Include="AWSSDK.S3" Version="3.3.110.42" />
   </ItemGroup>