diff --git a/config.ru b/config.ru
index 65c86ce..e669ae6 100644
--- a/config.ru
+++ b/config.ru
@@ -2,6 +2,7 @@ require "./app"
 require "./lib/structured_access_logging_middleware"
 
 use Metrics::Middleware
+use Rack::Deflater
 use StructuredAccessLoggingMiddleware
 use Rack::RubyProf, path: "/app/tmp/profile" if S.profile?
 run Search::Application