diff --git a/src/Carter/CarterExtensions.cs b/src/Carter/CarterExtensions.cs
index d60f9e4..3af99c1 100644
--- a/src/Carter/CarterExtensions.cs
+++ b/src/Carter/CarterExtensions.cs
@@ -78,7 +78,7 @@ private static void WireupCarter(this IServiceCollection services,
             foreach (var newModule in newModules)
             {
                 //services.AddScoped(newModule);
-                services.AddScoped(typeof(ICarterModule), newModule);
+                services.AddSingleton(typeof(ICarterModule), newModule);
             }
 
             foreach (var negotiator in responseNegotiators)