diff --git a/Gemfile.lock b/Gemfile.lock
index 2d624164..8e636559 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,8 +21,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ansi (1.5.0)
     awesome_print (1.8.0)
     bcp47 (0.3.3)
@@ -90,7 +90,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     rack (2.0.8)
     rake (12.3.3)
     rest-client (2.0.2)