diff --git a/Gemfile.lock b/Gemfile.lock
index 44fa21f..70ecfe9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,8 +63,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.1, >= 2.1.8)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
     crack (0.4.5)
@@ -95,7 +95,7 @@ GEM
     nio4r (2.5.7)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)