diff --git a/Gemfile.lock b/Gemfile.lock
index 6ce46e85f..234508831 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -553,7 +553,7 @@ GEM
     recaptcha (5.19.0)
     redis-client (0.23.2)
       connection_pool
-    regexp_parser (2.11.0)
+    regexp_parser (2.11.1)
     reline (0.6.1)
       io-console (~> 0.5)
     responders (3.1.1)
@@ -606,7 +606,7 @@ GEM
     rswag-ui (2.16.0)
       actionpack (>= 5.2, < 8.1)
       railties (>= 5.2, < 8.1)
-    rubocop (1.79.1)
+    rubocop (1.79.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 3c17087a9..bd64cd333 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -15,13 +15,13 @@ require 'capybara-screenshot/rspec'
 require 'axe-capybara'
 require 'axe-rspec'
 
-# TODO: We may want to trial options.add_argument('--disable-dev-shm-usage')      ### optional
-
 # Required for running in the dev container
 Capybara.register_driver :selenium_chrome_customised_headless do |app|
   options = Selenium::WebDriver::Options.chrome
   options.add_argument("--headless")
   options.add_argument("--no-sandbox")
+  options.add_argument("--window-size=1920,1080")
+  options.add_argument("--disable-dev-shm-usage")
 
   # driver = Selenium::WebDriver.for :chrome, options: options
 
@@ -120,8 +120,8 @@ RSpec.configure do |config|
   # Prevent Poltergeist from fetching external URLs during feature tests
   config.before(:each, :js) do
     # TODO: Why are we setting this page size then straight afterwards, maximising?
-    width = 1280
-    height = 1280
+    width = 1920
+    height = 1080
     Capybara.current_session.driver.browser.manage.window.resize_to(width, height)
 
     if page.driver.browser.respond_to?(:url_blacklist)
@@ -132,6 +132,9 @@ RSpec.configure do |config|
       ]
     end
 
-    page.driver.browser.manage.window.maximize if page.driver.browser.respond_to?(:manage)
+    # Historically, we wanted to .maximize; but this actually undoes the resize_to step above
+    # with chrome headless
+    # page.driver.browser.manage.window.maximize if page.driver.browser.respond_to?(:manage)
+    # puts "Maximized window size: #{page.driver.browser.manage.window.size}"
   end
 end