diff --git a/Gemfile.lock b/Gemfile.lock
index 1618b26..b2f4739 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ GEM
     activesupport (3.2.15)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.3.5)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     builder (3.0.4)
     coderay (1.0.9)
     differ (0.1.2)
@@ -69,6 +70,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    public_suffix (4.0.6)
     rack (1.5.2)
     rake (10.1.0)
     rdoc (4.0.1)