diff --git a/Gemfile.lock b/Gemfile.lock
index ba2e603..c000bb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.3.3)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-tar-minitar (0.5.2)
     columnize (0.3.4)
     diff-lcs (1.1.3)
@@ -15,6 +16,7 @@ GEM
       rbx-require-relative (> 0.0.4)
     linecache19 (0.5.12)
       ruby_core_source (>= 0.1.4)
+    public_suffix (5.0.0)
     rbx-require-relative (0.0.5)
     rspec (2.7.0)
       rspec-core (~> 2.7.0)