redis_failover.gemspec in nogara-redis_failover-0.8.9 vs redis_failover.gemspec in nogara-redis_failover-0.8.10

@@ -13,10 +13,10 @@
   gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   gem.name          = "nogara-redis_failover"
   gem.require_paths = ["lib"]
   gem.version       = RedisFailover::VERSION
 
-  gem.add_dependency('redis', '~> 3')
+  gem.add_dependency('redis', ['>= 2.2', '< 4'])
   gem.add_dependency('redis-namespace')
   gem.add_dependency('multi_json', '~> 1')
   gem.add_dependency('zk', '~> 1.6')
 
   gem.add_development_dependency('rake')