diff --git a/rswag-specs/lib/rswag/specs/swagger_formatter.rb b/rswag-specs/lib/rswag/specs/swagger_formatter.rb
index 0447034..568f7e2 100644
--- a/rswag-specs/lib/rswag/specs/swagger_formatter.rb
+++ b/rswag-specs/lib/rswag/specs/swagger_formatter.rb
@@ -1,9 +1,10 @@
 require 'active_support/core_ext/hash/deep_merge'
+require 'rspec/core/formatters/base_text_formatter'
 require 'swagger_helper'
 
 module Rswag
   module Specs
-    class SwaggerFormatter
+    class SwaggerFormatter < ::RSpec::Core::Formatters::BaseTextFormatter
 
       # NOTE: rspec 2.x support
       if RSPEC_VERSION > 2