diff --git a/Gemfile.lock b/Gemfile.lock
index 24d6317..e9bde0a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
     minitest-rg (5.2.0)
@@ -13,7 +13,7 @@ GEM
     nio4r (2.5.2)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     puma (4.3.3)
       nio4r (~> 2.0)
     pygments.rb (1.2.1)