diff --git a/Gemfile.lock b/Gemfile.lock
index 5244b26..b213255 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,9 +49,9 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.23)
-    multi_json (1.7.7)
+    multi_json (1.14.0)
     polyglot (0.3.3)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -91,7 +91,7 @@ GEM
       rspec (~> 2.9.0)
     rubyforge (2.0.4)
       json_pure (>= 1.1.7)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)