diff --git a/Gemfile b/Gemfile
index 385673c90f0..b5fd15753e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -220,8 +220,8 @@ group :test do
 
   gem 'capybara', '~> 3.35.0'
   gem 'capybara-screenshot', '~> 1.0.17'
-  gem 'selenium-webdriver', '~> 3.14'
-  gem 'webdrivers', '~> 4.6.0'
+  gem 'selenium-webdriver', '~> 4.0'
+  gem 'webdrivers', '~> 5.0.0'
 
   gem 'fuubar', '~> 2.5.0'
   gem 'timecop', '~> 0.9.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 614d73e652c..9a2c9c81187 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -336,7 +336,7 @@ GEM
     cells-rails (0.0.9)
       actionpack (>= 3.0)
       cells (>= 4.1.6, < 5.0.0)
-    childprocess (3.0.0)
+    childprocess (4.1.0)
     claide (1.0.3)
     claide-plugins (0.9.2)
       cork
@@ -868,8 +868,9 @@ GEM
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
     secure_headers (6.3.3)
-    selenium-webdriver (3.142.7)
-      childprocess (>= 0.5, < 4.0)
+    selenium-webdriver (4.0.3)
+      childprocess (>= 0.5, < 5.0)
+      rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic (1.6.1)
     sentry-delayed_job (4.7.3)
@@ -942,10 +943,10 @@ GEM
       rack (>= 2.0.9)
     warden-basic_auth (0.2.1)
       warden (~> 1.2)
-    webdrivers (4.6.1)
+    webdrivers (5.0.0)
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
-      selenium-webdriver (>= 3.0, < 4.0)
+      selenium-webdriver (~> 4.0)
     webfinger (1.2.0)
       activesupport
       httpclient (>= 2.4)
@@ -1107,7 +1108,7 @@ DEPENDENCIES
   sanitize (~> 6.0.0)
   sassc-rails
   secure_headers (~> 6.3.0)
-  selenium-webdriver (~> 3.14)
+  selenium-webdriver (~> 4.0)
   semantic (~> 1.6.1)
   sentry-delayed_job (~> 4.7.0)
   sentry-rails (~> 4.7.0)
@@ -1129,7 +1130,7 @@ DEPENDENCIES
   tzinfo-data (~> 1.2021.1)
   warden (~> 1.2)
   warden-basic_auth (~> 0.2.1)
-  webdrivers (~> 4.6.0)
+  webdrivers (~> 5.0.0)
   webmock (~> 3.12)
   will_paginate (~> 3.3.0)
   with_advisory_lock (~> 4.6.0)
diff --git a/spec/support/browsers/chrome.rb b/spec/support/browsers/chrome.rb
index ee84a82c3a3..882d696d415 100644
--- a/spec/support/browsers/chrome.rb
+++ b/spec/support/browsers/chrome.rb
@@ -33,7 +33,7 @@ def register_chrome(language, name: :"chrome_#{language}")
     options.add_preference(:browser, set_download_behavior: { behavior: 'allow' })
 
     capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
-      loggingPrefs: { browser: 'ALL' }
+      'goog:loggingPrefs': { browser: 'ALL' }
     )
 
     yield(options, capabilities) if block_given?
@@ -46,9 +46,8 @@ def register_chrome(language, name: :"chrome_#{language}")
 
     driver_opts = {
       browser: is_grid ? :remote : :chrome,
-      desired_capabilities: capabilities,
-      http_client: client,
-      options: options,
+      capabilities: [capabilities, options],
+      http_client: client
     }
 
     if is_grid
diff --git a/spec/support/browsers/firefox.rb b/spec/support/browsers/firefox.rb
index 9f37b334781..f39ad3deaf9 100644
--- a/spec/support/browsers/firefox.rb
+++ b/spec/support/browsers/firefox.rb
@@ -6,10 +6,10 @@ def register_firefox(language, name: :"firefox_#{language}")
   require 'selenium/webdriver'
 
   Capybara.register_driver name do |app|
-    if ENV['CI']
-      client = Selenium::WebDriver::Remote::Http::Default.new
-      client.timeout = 180
-    end
+    client = if ENV['CI']
+               Selenium::WebDriver::Remote::Http::Default.new(open_timeout: 180,
+                                                              read_timeout: 180)
+             end
 
     profile = Selenium::WebDriver::Firefox::Profile.new
     profile['intl.accept_languages'] = language
@@ -24,16 +24,8 @@ def register_firefox(language, name: :"firefox_#{language}")
     # only one FF process
     profile['dom.ipc.processCount'] = 1
 
-    # use native instead of synthetic events
-    # https://github.com/SeleniumHQ/selenium/wiki/DesiredCapabilities
-    profile.native_events = true
-
     options = Selenium::WebDriver::Firefox::Options.new(profile: profile)
 
-    capabilities = Selenium::WebDriver::Remote::Capabilities.firefox(
-      loggingPrefs: { browser: 'ALL' }
-    )
-
     yield(profile, options, capabilities) if block_given?
 
     unless ActiveRecord::Type::Boolean.new.cast(ENV['OPENPROJECT_TESTING_NO_HEADLESS'])
@@ -45,9 +37,8 @@ def register_firefox(language, name: :"firefox_#{language}")
     driver_opts = {
       browser: is_grid ? :remote : :firefox,
       url: ENV['SELENIUM_GRID_URL'],
-      desired_capabilities: capabilities,
       http_client: client,
-      options: options,
+      capabilities: options
     }
 
     if is_grid