diff --git a/marionette/marionette.d.ts b/marionette/marionette.d.ts
index 6c18b8906..3427d6de4 100644
--- a/marionette/marionette.d.ts
+++ b/marionette/marionette.d.ts
@@ -112,8 +112,8 @@ declare module Marionette {
     function unbindEntityEvents(target, entity, bindings);
 
     class Callbacks {
-        add(callback, contextOverride): void;
-        run(options, context): void;
+        add(callback:Function, contextOverride:any): void;
+        run(options:any, context:any): void;
         reset(): void;
     }