diff --git a/Gemfile.lock b/Gemfile.lock
index 7245c24..c8a96f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       execjs
     eco-source (1.1.0.rc.1)
     erubis (2.7.0)
-    execjs (2.5.2)
+    execjs (2.8.1)
     factory_girl (4.4.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.4.0)
@@ -80,7 +80,7 @@ GEM
     js-routes (0.9.7)
       railties (>= 3.2)
       sprockets-rails
-    json (1.8.2)
+    json (1.8.6)
     kgio (2.9.3)
     less (2.4.0)
       commonjs (~> 0.2.7)
@@ -183,7 +183,7 @@ GEM
       rails (>= 3.1)
       railties (>= 3.1)
     tzinfo (0.3.43)
-    uglifier (2.7.1)
+    uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     unicorn (4.8.3)