diff --git a/Gemfile b/Gemfile
index c139d31..cf968db 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem 'sinatra', '~> 1.4.5'
 gem 'github_api', '~> 0.13.0'
-gem "redis", "~> 3.3.3"
+gem "redis", "~> 3.3.5"
 gem 'hiredis', '~> 0.6.0'
 gem 'haml', '~> 4.0.6'
 gem 'json', '~> 2.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index d679555..09fc5c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
       rack (>= 1.0)
     rack_csrf (2.6.0)
       rack (>= 1.1.0)
-    redis (3.3.3)
+    redis (3.3.5)
     sidekiq (5.0.4)
       concurrent-ruby (~> 1.0)
       connection_pool (~> 2.2, >= 2.2.0)
@@ -86,7 +86,7 @@ DEPENDENCIES
   puma (~> 3.9.1)
   rack-flash3 (~> 1.0.5)
   rack_csrf (~> 2.6.0)
-  redis (~> 3.3.3)
+  redis (~> 3.3.5)
   sidekiq (~> 5.0.4)
   sinatra (~> 1.4.5)
   sinatra-contrib (~> 1.4.7)