diff --git a/scripts/smoke-test-packaged-launch.js b/scripts/smoke-test-packaged-launch.js
index 2bbbcff..8c63679 100644
--- a/scripts/smoke-test-packaged-launch.js
+++ b/scripts/smoke-test-packaged-launch.js
@@ -75,7 +75,7 @@ async function verifyPackagedLaunch(executablePath = packagedExecutablePath(), r
     return { executablePath, readyMs };
   } finally {
     terminateProcessTree(child);
-    fs.rmSync(environmentRoot, { recursive: true, force: true });
+    await fs.promises.rm(environmentRoot, { recursive: true, force: true, maxRetries: 10, retryDelay: 250 });
   }
 }