diff --git a/lib/rack/attack.rb b/lib/rack/attack.rb
index f533ca6..1a5c50d 100644
--- a/lib/rack/attack.rb
+++ b/lib/rack/attack.rb
@@ -6,7 +6,6 @@ require 'rack/attack/cache'
 require 'rack/attack/configuration'
 require 'rack/attack/path_normalizer'
 require 'rack/attack/request'
-require "ipaddr"
 
 require 'rack/attack/railtie' if defined?(::Rails)
 
diff --git a/lib/rack/attack/configuration.rb b/lib/rack/attack/configuration.rb
index 160886e..f2d0189 100644
--- a/lib/rack/attack/configuration.rb
+++ b/lib/rack/attack/configuration.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "ipaddr"
+
 module Rack
   class Attack
     class Configuration