diff --git a/Gemfile b/Gemfile
index 595bba83791..2b8b3b47539 100644
--- a/Gemfile
+++ b/Gemfile
@@ -323,7 +323,7 @@ group :development, :test do
   gem "database_cleaner",               "~>2.1",    :require => false # Used by cypress-on-rails.
   gem "factory_bot_rails",              "~>6.5.1",  :require => false # Used by cypress-on-rails.
 
-  gem "parallel_tests",                 "~>4.4",    :require => false
+  gem "parallel_tests",                 "~>5.6",    :require => false
   gem "routes_lazy_routes"
   gem "rspec-rails",                    "~>7.0"
 end