diff --git a/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock b/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
index b273595bbb051..9c97931f175b5 100644
--- a/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
+++ b/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
@@ -31,7 +31,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
-    addressable (2.3.6)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (5.0.1.20140414130214)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
@@ -108,6 +109,7 @@ GEM
     pry-stack_explorer (0.4.9.1)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
+    public_suffix (4.0.6)
     puma (2.8.2)
       rack (>= 1.1, < 2.0)
     rack (1.5.2)