diff --git a/Gemfile.lock b/Gemfile.lock
index d9bba1e..6f1ebca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,6 +103,7 @@ GEM
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.1)
+    kgio (2.8.0)
     listen (2.7.4)
       celluloid (>= 0.15.2)
       celluloid-io (>= 0.15.0)
@@ -172,6 +173,7 @@ GEM
       activesupport (= 4.1.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
+    raindrops (0.11.0)
     rake (10.3.1)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.4)
@@ -252,6 +254,10 @@ GEM
     uglifier (2.5.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unicorn (4.6.3)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -296,3 +302,4 @@ DEPENDENCIES
   slim-rails
   spring
   uglifier (>= 1.3.0)
+  unicorn