diff --git a/lib/travis/web/app.rb b/lib/travis/web/app.rb
index 0fc33d75..069524b2 100644
--- a/lib/travis/web/app.rb
+++ b/lib/travis/web/app.rb
@@ -33,7 +33,7 @@ class Travis::Web::App
     def build(options = {})
       builder = Rack::Builder.new
       if options[:environment] == 'production'
-        builder.use Rack::SSL
+        builder.use Rack::SSL, hsts: Travis.config.ssl.hsts || true
       end
       builder.use Rack::Deflater
       builder.use Rack::Head