diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go b/vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go
index 52dcd88..5ede3ac 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go
@@ -10,6 +10,10 @@
 	"syscall"
 )
 
+func ptrace(request int, pid int, addr uintptr, data uintptr) error {
+	return ENOTSUP
+}
+
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: sec, Nsec: nsec}
 }
@@ -43,6 +47,10 @@
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
@@ -60,7 +68,3 @@
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	return 0, ENOSYS
-}