diff --git a/Gemfile.lock b/Gemfile.lock
index 79a1618..f01448e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
     execjs (1.4.0)
       multi_json (~> 1.0)
     ffi (1.3.1)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     jasmine (1.3.1)
       jasmine-core (~> 1.3.1)
@@ -72,7 +72,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.21)
-    multi_json (1.5.1)
+    multi_json (1.14.0)
     mysql2 (0.3.11)
     net-ssh (2.3.0)
     nokogiri (1.5.6)
@@ -84,7 +84,7 @@ GEM
       rails (~> 3.1)
       resque (~> 1.20.0)
       resque-result (~> 1.0.1)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-maintenance_mode (0.0.4)
@@ -145,7 +145,7 @@ GEM
       rack (~> 1.4)
       rack-protection (~> 1.3)
       tilt (~> 1.3, >= 1.3.3)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -158,7 +158,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.17.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)