diff --git a/Gemfile.lock b/Gemfile.lock
index 0bf35b7..bbcb4b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,8 +36,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (6.0.4)
     autoprefixer-rails (10.0.1.3)
       execjs
@@ -163,7 +163,7 @@ GEM
       middleware
       thor
       thread_safe
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)