diff --git a/test/gstack-next-version.test.ts b/test/gstack-next-version.test.ts
index 9d749f25f..6383511be 100644
--- a/test/gstack-next-version.test.ts
+++ b/test/gstack-next-version.test.ts
@@ -178,5 +178,5 @@ describe("integration (smoke)", () => {
     expect(Array.isArray(parsed.claimed)).toBe(true);
     expect(parsed).toHaveProperty("siblings");
     expect(parsed.siblings).toEqual([]); // --workspace-root null disabled scanning
-  });
+  }, 15_000); // Headroom over the 4-5s wall time of the spawned process under load
 });