diff --git a/Gemfile.lock b/Gemfile.lock
index ce95bad..f63229e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,8 @@ GEM
     activesupport (3.2.13)
       i18n (= 0.6.1)
       multi_json (~> 1.0)
-    addressable (2.3.4)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (3.0.2)
     bcrypt-ruby (3.0.1)
     better_errors (0.8.0)
@@ -115,6 +116,7 @@ GEM
     nokogiri (1.5.9)
     orm_adapter (0.4.0)
     polyglot (0.3.3)
+    public_suffix (4.0.6)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.4.5)