diff --git a/Gemfile.lock b/Gemfile.lock
index 30a0e84..72423ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.3.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     concurrent-ruby (1.0.2)
     crack (0.3.2)
     docile (1.1.5)
@@ -41,6 +42,7 @@ GEM
     multiconnect (0.2.0)
       activesupport
     multipart-post (2.0.0)
+    public_suffix (4.0.6)
     rake (0.9.4)
     simplecov (0.10.0)
       docile (~> 1.1.0)