diff --git a/Gemfile.lock b/Gemfile.lock
index d52ec6b..6e4031e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,8 +65,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     builder (3.2.3)
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
@@ -124,7 +124,7 @@ GEM
     pg_search (2.3.0)
       activerecord (>= 4.2)
       activesupport (>= 4.2)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     puma (4.3.1)
       nio4r (~> 2.0)
     rack (2.0.8)