diff --git a/database/mysql/create-testing-database.sh b/database/mysql/create-testing-database.sh
new file mode 100755
index 00000000..c20ae5f7
--- /dev/null
+++ b/database/mysql/create-testing-database.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+mysql --user=root --password="$MYSQL_ROOT_PASSWORD" <<-EOSQL
+    CREATE DATABASE IF NOT EXISTS testing;
+    GRANT ALL PRIVILEGES ON testing.* TO '$MYSQL_USER'@'%';
+EOSQL
diff --git a/database/pgsql/create-testing-database.sql b/database/pgsql/create-testing-database.sql
new file mode 100644
index 00000000..d84dc07b
--- /dev/null
+++ b/database/pgsql/create-testing-database.sql
@@ -0,0 +1,2 @@
+SELECT 'CREATE DATABASE testing'
+WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'testing')\gexec
diff --git a/src/Console/InstallCommand.php b/src/Console/InstallCommand.php
index 9c81f5d6..36797520 100644
--- a/src/Console/InstallCommand.php
+++ b/src/Console/InstallCommand.php
@@ -39,6 +39,7 @@ public function handle()
 
         $this->buildDockerCompose($services);
         $this->replaceEnvVariables($services);
+        $this->configurePhpUnit();
 
         if ($this->option('devcontainer')) {
             $this->installDevContainer();
@@ -148,6 +149,21 @@ protected function replaceEnvVariables(array $services)
         file_put_contents($this->laravel->basePath('.env'), $environment);
     }
 
+    /**
+     * Configure PHPUnit to use the dedicated testing database.
+     *
+     * @return void
+     */
+    protected function configurePhpUnit()
+    {
+        $phpunit = file_get_contents($this->laravel->basePath('phpunit.xml'));
+
+        $phpunit = preg_replace('/^.*DB_CONNECTION.*\n/m', '', $phpunit);
+        $phpunit = str_replace('<!-- <env name="DB_DATABASE" value=":memory:"/> -->', '<env name="DB_DATABASE" value="testing"/>', $phpunit);
+
+        file_put_contents($this->laravel->basePath('phpunit.xml'), $phpunit);
+    }
+
     /**
      * Install the devcontainer.json configuration file.
      *
diff --git a/stubs/mariadb.stub b/stubs/mariadb.stub
index ec5aa3d0..6beb6bc9 100644
--- a/stubs/mariadb.stub
+++ b/stubs/mariadb.stub
@@ -11,6 +11,7 @@
             MYSQL_ALLOW_EMPTY_PASSWORD: 'yes'
         volumes:
             - 'sail-mariadb:/var/lib/mysql'
+            - './vendor/laravel/sail/database/mysql/create-testing-database.sh:/docker-entrypoint-initdb.d/10-create-testing-database.sh'
         networks:
             - sail
         healthcheck:
diff --git a/stubs/mysql.stub b/stubs/mysql.stub
index 2e70d8c9..a775a2bc 100644
--- a/stubs/mysql.stub
+++ b/stubs/mysql.stub
@@ -11,6 +11,7 @@
             MYSQL_ALLOW_EMPTY_PASSWORD: 1
         volumes:
             - 'sail-mysql:/var/lib/mysql'
+            - './vendor/laravel/sail/database/mysql/create-testing-database.sh:/docker-entrypoint-initdb.d/10-create-testing-database.sh'
         networks:
             - sail
         healthcheck:
diff --git a/stubs/pgsql.stub b/stubs/pgsql.stub
index 5aeced5f..7cff7438 100644
--- a/stubs/pgsql.stub
+++ b/stubs/pgsql.stub
@@ -9,6 +9,7 @@
             POSTGRES_PASSWORD: '${DB_PASSWORD:-secret}'
         volumes:
             - 'sail-pgsql:/var/lib/postgresql/data'
+            - './vendor/laravel/sail/database/pgsql/create-testing-database.sql:/docker-entrypoint-initdb.d/10-create-testing-database.sql'
         networks:
             - sail
         healthcheck: