diff --git a/test/js/bun/shell/file-io.test.ts b/test/js/bun/shell/file-io.test.ts
index f80eeaaedd..32626856d0 100644
--- a/test/js/bun/shell/file-io.test.ts
+++ b/test/js/bun/shell/file-io.test.ts
@@ -184,7 +184,7 @@ describe("IOWriter file output redirection", () => {
       .runAsTest("redirect then append redirect");
   });
 
-  describe("fd duplication redirects", () => {
+  describe.concurrent("fd duplication redirects", () => {
     // Test >&2 (shorthand for 1>&2 - stdout to stderr)
     test(">&2 redirects stdout to stderr (builtin)", async () => {
       const result = await $`echo test >&2`.quiet();