diff --git a/linux/uname_test.go b/linux/uname_test.go
index 06953b2..6e51c3e 100644
--- a/linux/uname_test.go
+++ b/linux/uname_test.go
@@ -1,3 +1,5 @@
+//go:build linux
+
 package linux
 
 import "testing"