diff --git a/tests/e2e/Services/Realtime/RealtimeCustomClientTest.php b/tests/e2e/Services/Realtime/RealtimeCustomClientTest.php
index dda524fc7c..c72dbf85ec 100644
--- a/tests/e2e/Services/Realtime/RealtimeCustomClientTest.php
+++ b/tests/e2e/Services/Realtime/RealtimeCustomClientTest.php
@@ -1311,6 +1311,8 @@ class RealtimeCustomClientTest extends Scope
         $this->assertEquals($deployment['headers']['status-code'], 202);
         $this->assertNotEmpty($deployment['body']['$id']);
 
+        $maxTimeSeconds = 10;
+        $startTime = time();
         // Poll until deployment is built
         while (true) {
             $deployment = $this->client->call(Client::METHOD_GET, '/functions/' . $function['body']['$id'] . '/deployments/' . $deploymentId, [
@@ -1326,6 +1328,10 @@ class RealtimeCustomClientTest extends Scope
                 break;
             }
 
+            if (time() - $startTime >= $maxTimeSeconds) {
+                throw new \Exception('Deployment timed out after ' . $maxTimeSeconds . ' seconds');
+            }
+
             \sleep(1);
         }