diff --git a/Gemfile.lock b/Gemfile.lock
index da451b4..1adc0a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,10 +30,10 @@ GEM
       activesupport (= 3.1.0)
     activesupport (3.1.0)
       multi_json (~> 1.0)
-    addressable (2.2.6)
+    addressable (2.2.8)
     arel (2.2.1)
     bcrypt-ruby (3.0.1)
-    builder (3.0.0)
+    builder (3.0.4)
     capybara (1.1.1)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -52,6 +52,7 @@ GEM
     coffee-script-source (1.1.2)
     commonjs (0.2.0)
       therubyracer (~> 0.9.9)
+    concurrent-ruby (1.1.5)
     cucumber (1.0.6)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.2)
@@ -76,17 +77,14 @@ GEM
     ffi (1.0.9)
     gherkin (2.4.18)
       json (>= 1.4.6)
-    heroku (2.7.0)
-      launchy (>= 0.3.2)
-      rest-client (~> 1.6.1)
-      rubyzip
-      term-ansicolor (~> 1.0.5)
-    hike (1.2.1)
-    i18n (0.6.0)
-    jquery-rails (1.0.19)
-      railties (~> 3.0)
-      thor (~> 0.14)
-    json (1.6.0)
+    heroku (3.99.4)
+    hike (1.2.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jquery-rails (3.1.5)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
+    json (2.2.0)
     json_pure (1.6.0)
     launchy (2.0.5)
       addressable (~> 2.2.6)
@@ -103,20 +101,20 @@ GEM
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    mime-types (1.16)
-    multi_json (1.0.4)
+    mime-types (1.25.1)
+    multi_json (1.14.1)
     nokogiri (1.5.0)
     pg (0.11.0)
     pie (0.2.13)
     polyglot (0.3.2)
-    rack (1.3.6)
+    rack (1.3.10)
     rack-cache (1.0.3)
       rack (>= 0.4)
     rack-mount (0.8.3)
       rack (>= 1.0.0)
-    rack-ssl (1.3.2)
+    rack-ssl (1.3.4)
       rack
-    rack-test (0.6.1)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (3.1.0)
       actionmailer (= 3.1.0)
@@ -133,11 +131,10 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.6)
-    rake (0.9.2.2)
-    rdoc (3.12)
-      json (~> 1.4)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
+    rake (13.0.0)
+    rdoc (3.9.5)
+    rest-client (1.6.14)
+      mime-types (~> 1.16)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
@@ -151,7 +148,7 @@ GEM
       activesupport (~> 3.0)
       railties (~> 3.0)
       rspec (~> 2.6.0)
-    rubyzip (0.9.4)
+    rubyzip (2.0.0)
     sass (3.1.7)
     sass-rails (3.1.2)
       actionpack (~> 3.1.0)
@@ -167,7 +164,7 @@ GEM
     sequel (3.20.0)
     sinatra (1.0)
       rack (>= 1.0)
-    sprockets (2.0.3)
+    sprockets (2.0.5)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
@@ -180,7 +177,8 @@ GEM
       sequel (~> 3.20.0)
       sinatra (~> 1.0.0)
       sqlite3-ruby (~> 1.2)
-    term-ansicolor (1.0.6)
+    term-ansicolor (1.7.1)
+      tins (~> 1.0)
     therubyracer (0.9.9)
       libv8 (~> 3.3.10)
     thin (1.2.11)
@@ -188,7 +186,8 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.14.6)
-    tilt (1.3.3)
+    tilt (1.3.7)
+    tins (1.21.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)