diff --git a/Gemfile.lock b/Gemfile.lock
index 4ed71fc..59047c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,8 @@ GEM
     RubyInline (3.9.0)
       ZenTest (~> 4.3)
     ZenTest (4.9.4)
-    addressable (2.3.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     bourbon (2.1.1)
       sass (>= 3.1)
     childprocess (0.3.5)
@@ -38,6 +39,7 @@ GEM
     nokogiri (1.5.5)
     polyglot (0.3.3)
     predicated (0.2.6)
+    public_suffix (3.1.1)
     puma (2.11.3)
       rack (>= 1.1, < 2.0)
     rack (1.4.1)