diff --git a/apps/api/spec/requests/admin_files_spec.rb b/apps/api/spec/requests/admin_files_spec.rb
index a3bca72..94477e6 100644
--- a/apps/api/spec/requests/admin_files_spec.rb
+++ b/apps/api/spec/requests/admin_files_spec.rb
@@ -1,14 +1,14 @@
 require "rails_helper"
 require "warden/test/helpers"
+require "tmpdir"
 
 RSpec.describe "Admin file manager", type: :request do
   include Warden::Test::Helpers
 
   let(:admin) { AdminUser.create!(email: "files-spec@example.org", password: "password123") }
-  let(:container) { Rails.root.join("tmp/files-spec").to_s }
+  let(:container) { Dir.mktmpdir("files-spec") }
 
   before do
-    FileUtils.rm_rf(container)
     FileUtils.mkdir_p(File.join(container, "mygame-1.0"))
     File.write(File.join(container, "mygame-1.0.zip"), "zipdata")
     allow(WarpEngine.config).to receive(:file_container_path).and_return(container)