diff --git a/Gemfile.lock b/Gemfile.lock
index afec128..14c9d4f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.11)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.3.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (3.0.2)
     bcrypt-ruby (3.0.1)
     builder (3.0.4)
@@ -123,6 +124,7 @@ GEM
       slop (~> 3.3.1)
     pry-rails (0.2.2)
       pry (>= 0.9.10)
+    public_suffix (4.0.6)
     rack (1.4.4)
     rack-cache (1.2)
       rack (>= 0.4)