diff --git a/lib/rocket_pants/controller/rescuable.rb b/lib/rocket_pants/controller/rescuable.rb
index 1c9d9ac..d04562e 100644
--- a/lib/rocket_pants/controller/rescuable.rb
+++ b/lib/rocket_pants/controller/rescuable.rb
@@ -23,7 +23,13 @@ module Rescuable
         end
       },
       :bugsnag => lambda { |controller, exception, request|
-        controller.send(:notify_bugsnag, exception, request: request)
+        if controller.respond_to?(:notify_bugsnag, true)
+          controller.send(:notify_bugsnag, exception, request: request)
+        else
+          # Bugsnag v6 removed #notify_bugsnag controller method
+          # Use #notify directly
+          Bugsnag.notify(exception)
+        end
       }
     }
 
diff --git a/spec/rocket_pants/controller/error_handling_spec.rb b/spec/rocket_pants/controller/error_handling_spec.rb
index 9563650..8d23c64 100644
--- a/spec/rocket_pants/controller/error_handling_spec.rb
+++ b/spec/rocket_pants/controller/error_handling_spec.rb
@@ -75,6 +75,9 @@
           before :each do
             controller_class.use_named_exception_notifier :bugsnag
             stub.instance_of(controller_class).notify_bugsnag {}
+            Bugsnag = Class.new do	
+              define_singleton_method(:notify) { |exception| }	
+            end
           end
 
           it 'should send notification when it is the named exception notifier' do