diff --git a/Gemfile.lock b/Gemfile.lock
index cab8805..a4a0cde 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,8 +47,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (8.0.0)
     autoprefixer-rails (7.2.5)
       execjs
@@ -145,7 +145,7 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.1)
+    public_suffix (4.0.6)
     rack (2.0.3)
     rack-test (0.8.2)
       rack (>= 1.0, < 3)