diff --git a/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock b/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
index b273595bbb051..f929bd9082eb4 100644
--- a/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
+++ b/pkgs/applications/networking/cluster/panamax/ui/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
       pry (>= 0.9.11)
     puma (2.8.2)
       rack (>= 1.1, < 2.0)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)