diff --git a/Gemfile.lock b/Gemfile.lock
index ee47517..9fc8831 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,8 +38,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.1)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (7.1.4)
     autoprefixer-rails (6.7.7.2)
       execjs
@@ -149,7 +149,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
-    public_suffix (2.0.5)
+    public_suffix (4.0.6)
     puma (3.8.2)
     rack (2.0.1)
     rack-canonical-host (0.2.2)