diff --git a/lib/librato/metrics/connection.rb b/lib/librato/metrics/connection.rb
index abae123..b9ab5b2 100644
--- a/lib/librato/metrics/connection.rb
+++ b/lib/librato/metrics/connection.rb
@@ -44,7 +44,7 @@ def transport
         end.tap do |transport|
           transport.headers[:user_agent] = user_agent
           transport.headers[:content_type] = 'application/json'
-          transport.basic_auth @client.email, @client.api_key
+          transport.request :basic_auth, @client.email, @client.api_key
         end
       end
 
@@ -98,4 +98,4 @@ def transport_adapter
     end
 
   end
-end
\ No newline at end of file
+end