diff --git a/vendor/golang.org/x/sys/unix/zsysnum_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/zsysnum_freebsd_amd64.go
index 48a7bea..342d471 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_freebsd_amd64.go
@@ -1,6 +1,7 @@
 // go run mksysnum.go https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build amd64 && freebsd
 // +build amd64,freebsd
 
 package unix