diff --git a/hack/vendor.sh b/hack/vendor.sh
index 4175a6b941..13c9a32fcf 100755
--- a/hack/vendor.sh
+++ b/hack/vendor.sh
@@ -49,7 +49,7 @@ clone git github.com/go-check/check 64131543e7896d5bcc6bd5a76287eb75ea96c673
 clone git github.com/go-fsnotify/fsnotify v1.2.0
 clone git github.com/gorilla/context 14f550f51a
 clone git github.com/gorilla/mux e444e69cbd
-clone git github.com/kr/pty 05017fcccf
+clone git github.com/kr/pty 5cf931ef8f
 clone git github.com/mistifyio/go-zfs v2.1.0
 clone git github.com/tchap/go-patricia v2.1.0
 clone hg code.google.com/p/go.net 84a4013f96e0
diff --git a/vendor/src/github.com/kr/pty/ztypes_arm64.go b/vendor/src/github.com/kr/pty/ztypes_arm64.go
new file mode 100644
index 0000000000..6c29a4b918
--- /dev/null
+++ b/vendor/src/github.com/kr/pty/ztypes_arm64.go
@@ -0,0 +1,11 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+// +build arm64
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)