diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 44d81a6b248..67df4b67c39 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -308,7 +308,7 @@ RSpec.configure do |config|
     Capybara.w3c_click_offset = false
 
     Capybara.configure do |capybara_config|
-      capybara_config.server_host = "localhost"
+      capybara_config.server_host = ENV["CAPYBARA_SERVER_HOST"].presence || "localhost"
       capybara_config.server_port = 31_337 + ENV["TEST_ENV_NUMBER"].to_i
     end