From eb07d9789fa6da44f0d3d73626aba37183cb0937 Mon Sep 17 00:00:00 2001
From: Gonzalo Rodriguez <grzuy0@gmail.com>
Date: Fri, 29 Jun 2018 15:27:36 -0300
Subject: [PATCH] Prefer Gem::Version for version comparisons

---
 lib/rack/attack/store_proxy/redis_store_proxy.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/rack/attack/store_proxy/redis_store_proxy.rb b/lib/rack/attack/store_proxy/redis_store_proxy.rb
index 4316a9b..a7ac81a 100644
--- a/lib/rack/attack/store_proxy/redis_store_proxy.rb
+++ b/lib/rack/attack/store_proxy/redis_store_proxy.rb
@@ -7,8 +7,9 @@ module Rack
     module StoreProxy
       class RedisStoreProxy < SimpleDelegator
         def initialize(*args)
-          major_version = Redis::VERSION.split('.').first.to_i
-          warn 'RackAttack requires Redis gem >= 3.0.0.' if major_version < 3
+          if Gem::Version.new(Redis::VERSION) < Gem::Version.new("3")
+            warn 'RackAttack requires Redis gem >= 3.0.0.'
+          end
 
           super(*args)
         end