diff --git a/codex-rs/core/tests/suite/review.rs b/codex-rs/core/tests/suite/review.rs
index a20807e4ece..b72f8c1f2db 100644
--- a/codex-rs/core/tests/suite/review.rs
+++ b/codex-rs/core/tests/suite/review.rs
@@ -39,7 +39,8 @@ use wiremock::matchers::path;
 /// Verify that submitting `Op::Review` spawns a child task and emits
 /// EnteredReviewMode -> ExitedReviewMode(None) -> TaskComplete
 /// in that order when the model returns a structured review JSON payload.
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+#[cfg_attr(windows, tokio::test(flavor = "multi_thread", worker_threads = 4))]
+#[cfg_attr(not(windows), tokio::test(flavor = "multi_thread", worker_threads = 2))]
 async fn review_op_emits_lifecycle_and_review_output() {
     // Skip under Codex sandbox network restrictions.
     if std::env::var(CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR).is_ok() {