diff --git a/app/models/site.rb b/app/models/site.rb
index 04505f49..a67b3b5b 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -587,8 +587,15 @@ class Site < ApplicationRecord
     updated_at < File.mtime(File.join(path, 'Gemfile'))
   end
 
+  # @return [String]
+  def gemfile_lock_path
+    @gemfile_lock_path ||= File.join(path, 'Gemfile.lock')
+  end
+
   # Detecta si el Gemfile.lock fue modificado
   def gemfile_lock_updated?
-    updated_at < File.mtime(File.join(path, 'Gemfile.lock'))
+    return false unless File.exist? gemfile_lock_path
+
+    updated_at < File.mtime(gemfile_lock_path)
   end
 end