diff --git a/src/os/pipe_test.go b/src/os/pipe_test.go
index 114c181..2e93e39 100644
--- a/src/os/pipe_test.go
+++ b/src/os/pipe_test.go
@@ -428,7 +428,7 @@
 	go func() {
 		defer wg.Done()
 		var buf [10]byte
-		r.SetReadDeadline(time.Now().Add(time.Second))
+		r.SetReadDeadline(time.Now().Add(time.Minute))
 		c <- true
 		if _, err := r.Read(buf[:]); os.IsTimeout(err) {
 			t.Error("read timed out")