diff --git a/Gemfile.lock b/Gemfile.lock
index 9298d0b..6a1b418 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.11)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.2.7)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     ansi (1.4.2)
     arel (3.0.2)
     builder (3.0.4)
@@ -58,27 +59,21 @@ GEM
     ffi (1.0.11)
     haml (3.1.4)
     hashie (1.2.0)
-    heroku (2.21.2)
-      launchy (>= 0.3.2)
-      rest-client (~> 1.6.1)
-      rubyzip
-      term-ansicolor (~> 1.0.5)
+    heroku (3.99.4)
     hike (1.2.1)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (1.0.19)
       railties (~> 3.0)
       thor (~> 0.14)
-    json (1.7.6)
-    launchy (2.0.5)
-      addressable (~> 2.2.6)
+    json (1.8.6)
     libwebsocket (0.1.3)
       addressable
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    mime-types (1.19)
+    mime-types (1.25.1)
     multi_json (1.5.0)
     nokogiri (1.5.2)
     oauth (0.4.5)
@@ -92,6 +87,7 @@ GEM
       omniauth-oauth (~> 1.0)
     pg (0.13.2)
     polyglot (0.3.3)
+    public_suffix (4.0.1)
     rack (1.4.3)
     rack-cache (1.2)
       rack (>= 0.4)
@@ -118,8 +114,6 @@ GEM
     rdoc (3.12)
       json (~> 1.4)
     redcarpet (2.1.0)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)
       rspec-expectations (~> 2.8.0)
@@ -133,7 +127,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.8.0)
-    rubyzip (0.9.6.1)
+    rubyzip (2.0.0)
     sass (3.2.5)
     sass-rails (3.2.5)
       railties (~> 3.2.0)
@@ -153,7 +147,6 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.5)
-    term-ansicolor (1.0.7)
     thin (1.3.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)