diff --git a/Gemfile.lock b/Gemfile.lock
index 8d7aae6..56b1d26 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ GEM
     activesupport (3.2.13)
       i18n (= 0.6.1)
       multi_json (~> 1.0)
-    addressable (2.3.4)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ansi (1.4.3)
     builder (3.0.4)
     crack (0.3.2)
@@ -21,6 +22,7 @@ GEM
     mime-types (1.22)
     multi_json (1.7.2)
     power_assert (0.2.2)
+    public_suffix (5.0.0)
     rake (10.0.4)
     reek (1.2.13)
       ripper_ruby_parser (~> 0.0.7)