diff --git a/lib/vendor/redis/lib/redis/client.rb b/lib/vendor/redis/lib/redis/client.rb
index c867f633b444210f8e52e4a830fc84887976a81e..31be2de33caa9fe0221a71efc9493d45df3bd4d8 100644
--- a/lib/vendor/redis/lib/redis/client.rb
+++ b/lib/vendor/redis/lib/redis/client.rb
@@ -451,12 +451,12 @@ class Redis
       case options[:tcp_keepalive]
       when Hash
         [:time, :intvl, :probes].each do |key|
-          unless options[:tcp_keepalive][key].is_a?(Fixnum)
-            raise "Expected the #{key.inspect} key in :tcp_keepalive to be a Fixnum"
+          unless options[:tcp_keepalive][key].is_a?(Integer)
+            raise "Expected the #{key.inspect} key in :tcp_keepalive to be an Integer"
           end
         end
 
-      when Fixnum
+      when Integer
         if options[:tcp_keepalive] >= 60
           options[:tcp_keepalive] = {:time => options[:tcp_keepalive] - 20, :intvl => 10, :probes => 2}