diff --git a/Gemfile.lock b/Gemfile.lock
index c8e8c42..46beb93 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,8 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.3.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     crack (0.3.1)
     daemons (1.0.10)
     diff-lcs (1.1.3)
@@ -27,6 +28,7 @@ GEM
     net-http-persistent (2.8)
     nokogiri (1.5.6)
     ntlm-http (0.1.1)
+    public_suffix (4.0.6)
     rake (10.0.3)
     rdoc (3.12)
       json (~> 1.4)