diff --git a/Gemfile.lock b/Gemfile.lock
index bfeefd3..c514b1c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     awesome_print (1.7.0)
     concurrent-ruby (1.0.2)
     crack (0.4.3)
@@ -26,7 +26,7 @@ GEM
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     parallel (1.10.0)
-    public_suffix (2.0.4)
+    public_suffix (5.0.0)
     rest-client (2.0.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)