diff --git a/Gemfile.lock b/Gemfile.lock
index e30a330..b1c5902 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,8 @@ GEM
     activesupport (3.2.7)
       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)
     autotest (4.4.6)
       ZenTest (>= 4.4.1)
@@ -152,6 +153,7 @@ GEM
     notifier (0.2.1)
     pg (0.14.0)
     polyglot (0.3.3)
+    public_suffix (4.0.6)
     rack (1.4.1)
     rack-cache (1.2)
       rack (>= 0.4)