diff --git a/Gemfile.lock b/Gemfile.lock
index 27568b0..f41b1f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     eventmachine (1.0.3)
     execjs (1.4.0)
       multi_json (~> 1.0)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (2.2.1)
@@ -54,11 +54,11 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.21)
-    multi_json (1.7.2)
+    multi_json (1.14.1)
     mysql2 (0.3.11)
     pg (0.15.0)
     polyglot (0.3.3)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -88,7 +88,7 @@ GEM
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -99,7 +99,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.18.0)
-    tilt (1.3.6)
+    tilt (1.4.1)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)