diff --git a/vendor/github.com/mattn/go-isatty/isatty_linux.go b/vendor/github.com/mattn/go-isatty/isatty_linux.go
index 9d24bac1db3..7384cf99167 100644
--- a/vendor/github.com/mattn/go-isatty/isatty_linux.go
+++ b/vendor/github.com/mattn/go-isatty/isatty_linux.go
@@ -1,5 +1,5 @@
 // +build linux
-// +build !appengine
+// +build !appengine,!ppc64,!ppc64le
 
 package isatty
 
diff --git a/vendor/github.com/mattn/go-isatty/isatty_linux_ppc64x.go b/vendor/github.com/mattn/go-isatty/isatty_linux_ppc64x.go
new file mode 100644
index 00000000000..44e5d213021
--- /dev/null
+++ b/vendor/github.com/mattn/go-isatty/isatty_linux_ppc64x.go
@@ -0,0 +1,19 @@
+// +build linux
+// +build ppc64 ppc64le
+
+package isatty
+
+import (
+	"unsafe"
+
+	syscall "golang.org/x/sys/unix"
+)
+
+const ioctlReadTermios = syscall.TCGETS
+
+// IsTerminal return true if the file descriptor is terminal.
+func IsTerminal(fd uintptr) bool {
+	var termios syscall.Termios
+	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
+	return err == 0
+}
diff --git a/vendor/github.com/mattn/go-isatty/isatty_others.go b/vendor/github.com/mattn/go-isatty/isatty_others.go
index ff4de3d9a53..9d8b4a59961 100644
--- a/vendor/github.com/mattn/go-isatty/isatty_others.go
+++ b/vendor/github.com/mattn/go-isatty/isatty_others.go
@@ -3,7 +3,7 @@
 
 package isatty
 
-// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
 // terminal. This is also always false on this environment.
 func IsCygwinTerminal(fd uintptr) bool {
 	return false
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 8f096cdcfbe..5667a69d9ed 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -1670,10 +1670,12 @@
 			"revisionTime": "2016-10-04T15:35:44Z"
 		},
 		{
-			"checksumSHA1": "trzmsZQDCc13zk/6qANox7Z/KCg=",
+			"checksumSHA1": "AZO2VGorXTMDiSVUih3k73vORHY=",
 			"path": "github.com/mattn/go-isatty",
-			"revision": "fc9e8d8ef48496124e79ae0df75490096eccf6fe",
-			"revisionTime": "2017-03-22T23:44:13Z"
+			"revision": "6ca4dbf54d38eea1a992b3c722a76a5d1c4cb25c",
+			"revisionTime": "2017-11-07T05:05:31Z",
+			"version": "v0.0.4",
+			"versionExact": "v0.0.4"
 		},
 		{
 			"checksumSHA1": "jXakiCRizt6jtyeGh+DeuA76Bh0=",