diff --git a/Gemfile.lock b/Gemfile.lock
index 79b1ea4..2554757 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     gravatar_image_tag (1.1.3)
     haml (3.1.3)
     highline (1.6.12)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (2.1.1)
@@ -114,11 +114,11 @@ GEM
       rack-contrib
       rails
     mime-types (1.21)
-    multi_json (1.6.1)
+    multi_json (1.14.1)
     mysql2 (0.3.11)
     orm_adapter (0.4.0)
     polyglot (0.3.3)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-contrib (1.1.0)
@@ -187,7 +187,7 @@ GEM
     simple_form (2.0.0)
       actionpack (~> 3.0)
       activemodel (~> 3.0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -201,7 +201,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.17.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     timecop (0.3.5)
     treetop (1.4.12)
       polyglot