diff --git a/Gemfile.lock b/Gemfile.lock
index 14c7767..23978ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,6 +62,7 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.8.1)
     kgio (2.9.2)
+    libv8 (3.16.14.3)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
@@ -98,6 +99,7 @@ GEM
     rake (10.3.2)
     rdoc (4.1.1)
       json (~> 1.4)
+    ref (1.0.5)
     rvm-capistrano (1.4.1)
       capistrano (>= 2.0.0)
     sass (3.2.19)
@@ -120,6 +122,9 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.9)
+    therubyracer (0.12.1)
+      libv8 (~> 3.16.14.0)
+      ref
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
@@ -154,6 +159,7 @@ DEPENDENCIES
   sdoc (~> 0.4.0)
   spring
   sqlite3
+  therubyracer
   turbolinks
   uglifier (>= 1.3.0)
   unicorn