diff --git a/Gemfile b/Gemfile
index 3a1e9680d..cb2194a6d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -80,7 +80,7 @@ group :test do
     gem 'rest-client', '>= 2.0.1'
     gem 'irb'
     gem 'pry-byebug'
-    gem "websocket-client-simple", "~> 0.3.0"
+    gem "websocket-client-simple", "~> 0.5.1"
     gem "browserstack-local", "~> 1.3"
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 1bcbffb93..bffe70e3d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -242,7 +242,7 @@ GEM
     unicode-display_width (2.1.0)
     webrick (1.7.0)
     websocket (1.2.9)
-    websocket-client-simple (0.3.0)
+    websocket-client-simple (0.5.1)
       event_emitter
       websocket
     xmlrpc (0.3.2)
@@ -293,7 +293,7 @@ DEPENDENCIES
   thin
   twitter (>= 5.0.0)
   uglifier (>= 2.7.2)
-  websocket-client-simple (~> 0.3.0)
+  websocket-client-simple (~> 0.5.1)
   xmlrpc
 
 BUNDLED WITH