diff --git a/Gemfile.lock b/Gemfile.lock
index 3768f17..1828da7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,7 @@ GEM
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
-    hike (1.2.1)
+    hike (1.2.3)
     httparty (0.8.3)
       multi_json (~> 1.0)
       multi_xml
@@ -79,7 +79,7 @@ GEM
       mime-types
     polyglot (0.3.3)
     racc (1.6.0)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -109,12 +109,12 @@ GEM
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    sprockets (2.1.3)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     thor (0.16.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)