diff --git a/Gemfile.lock b/Gemfile.lock
index 2487ef1..657f864 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,23 +55,6 @@ GEM
       uniform_notifier (~> 1.9.0)
     bxslider-rails (4.2.5.1)
     cancancan (1.12.0)
-    celluloid (0.17.2)
-      celluloid-essentials
-      celluloid-extras
-      celluloid-fsm
-      celluloid-pool
-      celluloid-supervision
-      timers (>= 4.1.1)
-    celluloid-essentials (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-extras (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-fsm (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-pool (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-supervision (0.20.5)
-      timers (>= 4.1.1)
     climate_control (0.0.3)
       activesupport (>= 3.0)
     cocaine (0.5.7)
@@ -86,7 +69,7 @@ GEM
       execjs
     coffee-script-source (1.9.1.1)
     concurrent-ruby (1.1.9)
-    connection_pool (2.2.0)
+    connection_pool (2.2.5)
     countries (1.1.0)
       currencies (~> 0.4.2)
       i18n_data (~> 0.7.0)
@@ -141,7 +124,6 @@ GEM
     hashie (3.4.2)
     hike (1.2.3)
     hirb (0.7.3)
-    hitimes (1.2.3)
     html2haml (2.0.0)
       erubis (~> 2.7.0)
       haml (~> 4.0.0)
@@ -248,9 +230,7 @@ GEM
     rake (13.0.6)
     rdoc (4.2.0)
       json (~> 1.4)
-    redis (3.2.1)
-    redis-namespace (1.5.2)
-      redis (~> 3.0, >= 3.0.4)
+    redis (4.5.1)
     responders (1.1.2)
       railties (>= 3.2, < 4.2)
     rspec-core (3.3.2)
@@ -286,12 +266,11 @@ GEM
     semantic-ui-sass (2.1.3.0)
       sass (>= 3.2)
     sexp_processor (4.6.0)
-    sidekiq (3.5.0)
-      celluloid (~> 0.17.0)
-      connection_pool (~> 2.2, >= 2.2.0)
-      json (~> 1.0)
-      redis (~> 3.2, >= 3.2.1)
-      redis-namespace (~> 1.5, >= 1.5.2)
+    sidekiq (5.2.8)
+      connection_pool (~> 2.2, >= 2.2.2)
+      rack (< 2.1.0)
+      rack-protection (>= 1.5.0)
+      redis (>= 3.3.5, < 5)
     sinatra (1.4.6)
       rack (~> 1.4)
       rack-protection (~> 1.4)
@@ -322,8 +301,6 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    timers (4.1.1)
-      hitimes
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)