diff --git a/Gemfile b/Gemfile
index 4b02cff17d6f7e10ac139510eaf89b4c0f2520e4..943e3c2993460e826950c9afe8804861732a67c0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,9 @@ gem 'devise', '2.1.3'
 
 # Background processing
 
-gem 'sidekiq', '2.10.0'
+gem 'sidekiq', '2.10.1'
+gem 'sinatra', '1.3.3'
+gem 'slim', '1.3.8'
 
 # Configuration
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 8d3f65944e266655b3e3d5b4a129e2f1ee05663f..13b68b4e6dad8859a10773ec5434f41a2a82c59a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -348,15 +348,12 @@ GEM
       multi_json (~> 1.0)
       rubyzip
       websocket (~> 1.0.4)
-    sidekiq (2.10.0)
+    sidekiq (2.10.1)
       celluloid (~> 0.12.0)
       connection_pool (~> 1.0)
-      i18n
       multi_json (~> 1)
       redis (~> 3)
       redis-namespace
-      sinatra
-      slim
     simple_oauth (0.2.0)
     sinatra (1.3.3)
       rack (~> 1.3, >= 1.3.6)
@@ -473,7 +470,9 @@ DEPENDENCIES
   ruby-oembed (= 0.8.8)
   sass-rails (= 3.2.6)
   selenium-webdriver (= 2.32.1)
-  sidekiq (= 2.10.0)
+  sidekiq (= 2.10.1)
+  sinatra (= 1.3.3)
+  slim (= 1.3.8)
   spork (= 1.0.0rc3)
   timecop (= 0.6.1)
   twitter (= 4.6.2)