diff --git a/docs/providers/aws/examples/hello-world/csharp/Handler.cs b/docs/providers/aws/examples/hello-world/csharp/Handler.cs
index 6af920531..cf4ff9549 100644
--- a/docs/providers/aws/examples/hello-world/csharp/Handler.cs
+++ b/docs/providers/aws/examples/hello-world/csharp/Handler.cs
@@ -1,3 +1,4 @@
+using Amazon.Lambda.Core;
 using System;
 
 [assembly:LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]
diff --git a/lib/plugins/create/templates/aws-csharp/Handler.cs b/lib/plugins/create/templates/aws-csharp/Handler.cs
index 6af920531..cf4ff9549 100644
--- a/lib/plugins/create/templates/aws-csharp/Handler.cs
+++ b/lib/plugins/create/templates/aws-csharp/Handler.cs
@@ -1,3 +1,4 @@
+using Amazon.Lambda.Core;
 using System;
 
 [assembly:LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]