diff --git a/Gemfile.lock b/Gemfile.lock
index 9deb744..fb137c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
       factory_girl (~> 2.3.0)
       railties (>= 3.0.0)
     ffi (1.3.1)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (2.1.4)
@@ -77,11 +77,11 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.19)
-    multi_json (1.5.0)
+    multi_json (1.14.1)
     nokogiri (1.5.6)
     pg (0.14.0)
     polyglot (0.3.3)
-    rack (1.4.4)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -133,13 +133,13 @@ GEM
     simple_form (2.0.4)
       actionpack (~> 3.0)
       activemodel (~> 3.0)
-    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 (0.16.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)