diff --git a/Gemfile.lock b/Gemfile.lock
index c333bbf5..7ab7b5f5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,8 +78,8 @@ GEM
       awesome_nested_set (>= 3.0)
     acts_as_list (1.1.0)
       activerecord (>= 4.2)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     afm (0.2.2)
     ajax-datatables-rails (1.5.0)
       rails (>= 6.0)
@@ -382,7 +382,7 @@ GEM
       prawn-table
     prawn-table (0.2.2)
       prawn (>= 1.3.0, < 3.0.0)
-    public_suffix (5.0.5)
+    public_suffix (6.0.0)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.8.0)