diff --git a/extensions/codex/src/app-server/run-attempt-test-harness.ts b/extensions/codex/src/app-server/run-attempt-test-harness.ts
index 8ca9a84f1a1..929c8231add 100644
--- a/extensions/codex/src/app-server/run-attempt-test-harness.ts
+++ b/extensions/codex/src/app-server/run-attempt-test-harness.ts
@@ -540,6 +540,6 @@ export function setupRunAttemptTestHooks(): void {
     vi.useRealTimers();
     vi.unstubAllEnvs();
     await closeCodexSandboxExecServersForTests();
-    await fs.rm(tempDir, { recursive: true, force: true });
+    await fs.rm(tempDir, { recursive: true, force: true, maxRetries: 5, retryDelay: 50 });
   });
 }