diff --git a/Gemfile.lock b/Gemfile.lock
index ead28d6..356ddef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     diff-lcs (1.2.1)
     erubis (2.7.0)
     git (1.2.5)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     jeweler (1.8.4)
       bundler (~> 1.0)
@@ -47,9 +47,9 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.21)
-    multi_json (1.7.1)
+    multi_json (1.14.1)
     polyglot (0.3.3)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -86,13 +86,13 @@ GEM
       multi_json (~> 1.0)
       simplecov-html (~> 0.7.1)
     simplecov-html (0.7.1)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     thor (0.17.0)
-    tilt (1.3.6)
+    tilt (1.4.1)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)