diff --git a/Gemfile.lock b/Gemfile.lock
index 0da61518..a3b60d56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.3)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     alox (0.0.8)
     alox-gandalf (0.0.11)
     alox-jason (0.0.31)
@@ -97,6 +98,7 @@ GEM
       yajl-ruby
     oj (2.0.9)
     plist (3.1.0)
+    public_suffix (5.0.0)
     redcarpet (2.2.2)
     rest-client (1.6.7)
       mime-types (>= 1.16)