diff --git a/Gemfile.lock b/Gemfile.lock
index e53a84c..568378a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
     haml (4.0.0)
       tilt
     has_scope (0.5.1)
-    hike (1.2.1)
+    hike (1.2.3)
     httparty (0.9.0)
       multi_json (~> 1.0)
       multi_xml
@@ -157,7 +157,7 @@ GEM
       ntlm-http (~> 0.1, >= 0.1.1)
       webrobots (~> 0.0, >= 0.0.9)
     mime-types (1.19)
-    multi_json (1.6.1)
+    multi_json (1.14.1)
     multi_xml (0.5.1)
     mysql (2.8.1)
     mysql2 (0.3.11)
@@ -172,7 +172,7 @@ GEM
       cocaine (~> 0.4.0)
       mime-types
     polyglot (0.3.3)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -206,7 +206,7 @@ GEM
       tilt (~> 1.3)
     sax-machine (0.1.0)
       nokogiri (> 0.0.0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -215,7 +215,7 @@ GEM
     therubyracer (0.10.2)
       libv8 (~> 3.3.10)
     thor (0.17.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)