diff --git a/Gemfile b/Gemfile
index af709905..7dfb53f9 100755
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ gem 'mysql2', '>= 0.3.18', '< 0.5'
 
 
 # redis server for cable
-# gem 'redis', '~> 3.0'
+gem 'redis', '~> 3.0'
 
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index d7b3ea9d..9583188f 100755
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,7 +170,7 @@ GEM
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    redis (4.0.1)
+    redis (3.3.5)
     rspec-core (3.7.0)
       rspec-support (~> 3.7.0)
     rspec-expectations (3.7.0)
@@ -284,6 +284,7 @@ DEPENDENCIES
   puma (~> 3.0)
   rack-cors
   rails (~> 5.1.0)
+  redis (~> 3.0)
   rspec-rails (~> 3.5)
   sass-rails (~> 5.0)
   schema_to_scaffold