diff --git a/Gemfile.lock b/Gemfile.lock
index 1e58b73..1cc6d1e 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)
     better_errors (2.5.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
@@ -122,7 +122,7 @@ GEM
     mini_portile2 (2.4.0)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)