diff --git a/test/relink.test.ts b/test/relink.test.ts
index d0c48f19..7692a90e 100644
--- a/test/relink.test.ts
+++ b/test/relink.test.ts
@@ -1,9 +1,15 @@
-import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
+import { describe, test as _bunTest, expect, beforeEach, afterEach } from 'bun:test';
 import { execSync } from 'child_process';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as os from 'os';
 
+// Every test in this file shells out to gstack-config + gstack-relink (bash scripts
+// invoking subprocess work). Under parallel bun test load, subprocess spawn contends
+// with other suites and each test can drift ~200ms past the 5s default. Bump to 15s.
+const test = ((name: any, fn: any, timeout?: number) =>
+  _bunTest(name, fn, timeout ?? 15_000)) as typeof _bunTest;
+
 const ROOT = path.resolve(import.meta.dir, '..');
 const BIN = path.join(ROOT, 'bin');