diff --git a/Build.PL b/Build.PL
index 690bc4bd..b5d2adb4 100644
--- a/Build.PL
+++ b/Build.PL
@@ -51,6 +51,8 @@ Module::Build->new(
     'Opcode' => '1.07',
     'Path::Class' => '0.32',
     'Plack' => '1.0023',
+    'Plack::Handler::Twiggy' => '0',
+    'Plack::Middleware::Debug' => '0',
     'Plack::Middleware::Expires' => '0.03',
     'Plack::Middleware::ReverseProxy' => '0.15',
     'Pod::Usage' => 0,