diff --git a/Gemfile.lock b/Gemfile.lock
index 66dfdbd..649868e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,8 @@ GEM
       multi_json (~> 1.3)
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
-    addressable (2.3.5)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (4.0.0)
     atomic (1.1.10)
     authem (1.1.0)
@@ -119,6 +120,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.2)
       pry (>= 0.9.10)
+    public_suffix (2.0.5)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)