diff --git a/testing/src/Environment.php b/testing/src/Environment.php
index 139775a1..8adccdab 100644
--- a/testing/src/Environment.php
+++ b/testing/src/Environment.php
@@ -50,7 +50,10 @@ public function start(?string $rrCommand = null, int $commandTimeout = 10, array
         $this->startRoadRunner($rrCommand, $commandTimeout, $envs);
     }
 
-    public function startTemporalServer(int $commandTimeout = 10): void
+    /**
+     * @param list<non-empty-string> $parameters
+     */
+    public function startTemporalServer(int $commandTimeout = 10, array $parameters = []): void
     {
         $temporalPort = \parse_url(\getenv('TEMPORAL_ADDRESS') ?: '127.0.0.1:7233', PHP_URL_PORT);
 
@@ -68,6 +71,7 @@ public function startTemporalServer(int $commandTimeout = 10): void
                 '--search-attribute', 'bar=int',
                 '--log-level', 'error',
                 '--headless',
+                ...$parameters,
             ],
         );
         $this->temporalServerProcess->setTimeout($commandTimeout);