diff --git a/Gemfile.lock b/Gemfile.lock
index fbbabd0e34..a12fb80637 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,8 @@ GEM
     acts_as_paranoid (0.6.1)
       activerecord (>= 4.2, < 7.0)
       activesupport (>= 4.2, < 7.0)
-    addressable (2.4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.3.2)
       sshkit (>= 1.6.1, != 1.7.0)
     ancestry (3.0.5)
@@ -613,6 +614,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    public_suffix (5.0.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
     racc (1.5.2)