diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go b/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
index 251e2d9..7f27ebf 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build arm64 && linux
 // +build arm64,linux
 
 package unix
@@ -25,7 +26,7 @@
 //sysnb	Getegid() (egid int)
 //sysnb	Geteuid() (euid int)
 //sysnb	Getgid() (gid int)
-//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Listen(s int, n int) (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
@@ -42,12 +43,12 @@
 }
 
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
-//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb	setrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
@@ -155,7 +156,7 @@
 	return
 }
 
-//sysnb pipe2(p *[2]_C_int, flags int) (err error)
+//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
 
 func Pipe2(p []int, flags int) (err error) {
 	if len(p) != 2 {
@@ -168,6 +169,24 @@
 	return
 }
 
+// Getrlimit prefers the prlimit64 system call. See issue 38604.
+func Getrlimit(resource int, rlim *Rlimit) error {
+	err := prlimit(0, resource, nil, rlim)
+	if err != ENOSYS {
+		return err
+	}
+	return getrlimit(resource, rlim)
+}
+
+// Setrlimit prefers the prlimit64 system call. See issue 38604.
+func Setrlimit(resource int, rlim *Rlimit) error {
+	err := prlimit(0, resource, rlim, nil)
+	if err != ENOSYS {
+		return err
+	}
+	return setrlimit(resource, rlim)
+}
+
 func (r *PtraceRegs) PC() uint64 { return r.Pc }
 
 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
@@ -188,13 +207,17 @@
 	cmsg.Len = uint64(length)
 }
 
+func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
+	rsa.Service_name_len = uint64(length)
+}
+
 func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }
 
-func Dup2(oldfd int, newfd int) (err error) {
-	return Dup3(oldfd, newfd, 0)
-}
+// dup2 exists because func Dup3 in syscall_linux.go references
+// it in an unreachable path. dup2 isn't available on arm64.
+func dup2(oldfd int, newfd int) error
 
 func Pause() error {
 	_, err := ppoll(nil, 0, nil, nil)