diff --git a/Gemfile.lock b/Gemfile.lock
index 4006d03..3cbdef3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
     builder (3.0.0)
     diff-lcs (1.1.3)
     erubis (2.7.0)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.0)
     journey (1.0.3)
     json (1.8.0)
@@ -50,7 +50,7 @@ GEM
     mime-types (1.18)
     multi_json (1.2.0)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -92,12 +92,12 @@ GEM
       multi_json (~> 1.0)
       simplecov-html (~> 0.5.3)
     simplecov-html (0.5.3)
-    sprockets (2.1.2)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     thor (0.14.6)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)