diff --git a/Gemfile.lock b/Gemfile.lock
index 8cd9eb27..4a05bacd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,8 +83,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     atomic (1.1.101)
     avl_tree (1.2.1)
       atomic (~> 1.1)
@@ -1121,7 +1121,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)