diff --git a/Gemfile b/Gemfile
index 98237968c3fab94dc8a3cc95605625d46c1d547f..dfbc7fcf34248e7ceb93b586d5e1fdbc4413a786 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'simple_captcha2', '0.3.2', :require => 'simple_captcha'
 
 # Background processing
 
-gem 'sidekiq', '3.2.3'
+gem 'sidekiq', '3.2.5'
 gem 'sinatra', '1.3.3'
 
 # Compression
diff --git a/Gemfile.lock b/Gemfile.lock
index 5d94af88e568fd6c4a3d2789f67cfc5692682d99..f1e2f17190a751f18d375cae4583eaee16346c44 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,8 +74,8 @@ GEM
       activesupport (>= 3.2.0)
       json (>= 1.7)
       mime-types (>= 1.16)
-    celluloid (0.16.0)
-      timers (~> 4.0.0)
+    celluloid (0.15.2)
+      timers (~> 1.1.0)
     childprocess (0.5.3)
       ffi (~> 1.0, >= 1.0.11)
     chunky_png (1.3.1)
@@ -216,7 +216,6 @@ GEM
       tilt
     hashie (3.3.1)
     hike (1.2.3)
-    hitimes (1.2.2)
     http_accept_language (2.0.2)
     i18n (0.6.11)
     i18n-inflector (2.6.7)
@@ -426,8 +425,8 @@ GEM
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
       websocket (~> 1.0)
-    sidekiq (3.2.3)
-      celluloid (>= 0.15.2)
+    sidekiq (3.2.5)
+      celluloid (= 0.15.2)
       connection_pool (>= 2.0.0)
       json
       redis (>= 3.0.6)
@@ -460,8 +459,7 @@ GEM
     thread_safe (0.3.4)
     tilt (1.4.1)
     timecop (0.7.1)
-    timers (4.0.0)
-      hitimes
+    timers (1.1.0)
     twitter (4.8.1)
       faraday (~> 0.8, < 0.10)
       multi_json (~> 1.0)
@@ -572,7 +570,7 @@ DEPENDENCIES
   ruby-oembed (= 0.8.10)
   sass-rails (= 4.0.3)
   selenium-webdriver (= 2.43.0)
-  sidekiq (= 3.2.3)
+  sidekiq (= 3.2.5)
   simple_captcha2 (= 0.3.2)
   sinatra (= 1.3.3)
   sinon-rails (= 1.10.3)