diff --git a/Gemfile b/Gemfile
index d0e23f468..f9cdcdcce 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ gem 'galetahub-simple_captcha', '0.1.5', :require => 'simple_captcha'
 
 # Background processing
 
-gem 'sidekiq', '2.17.0'
+gem 'sidekiq', '2.17.2'
 gem 'sinatra', '1.3.3'
 
 # Configuration
diff --git a/Gemfile.lock b/Gemfile.lock
index 8a443de3e..a319202c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -365,11 +365,11 @@ GEM
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
       websocket (~> 1.0.4)
-    sidekiq (2.17.0)
+    sidekiq (2.17.2)
       celluloid (>= 0.15.2)
       connection_pool (>= 1.0.0)
       json
-      redis (>= 3.0.4)
+      redis (>= 3.0.6)
       redis-namespace (>= 1.3.1)
     simple_oauth (0.2.0)
     sinatra (1.3.3)
@@ -496,7 +496,7 @@ DEPENDENCIES
   ruby-oembed (= 0.8.9)
   sass-rails (= 3.2.6)
   selenium-webdriver (= 2.39.0)
-  sidekiq (= 2.17.0)
+  sidekiq (= 2.17.2)
   sinatra (= 1.3.3)
   sinon-rails (= 1.7.3)
   spork (= 1.0.0rc3)