diff --git a/Gemfile.lock b/Gemfile.lock
index 0e50484..528935a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       haml (~> 3.0)
       railties (~> 3.0)
     highline (1.6.11)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.0)
     journey (1.0.3)
     jquery-rails (2.0.1)
@@ -78,7 +78,7 @@ GEM
     net-ssh-gateway (1.1.0)
       net-ssh (>= 1.99.1)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -110,7 +110,7 @@ GEM
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    sprockets (2.1.2)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
@@ -120,7 +120,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.14.6)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)