diff --git a/src/go.mod b/src/go.mod
index 28530491bd6..d7d707c2d70 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -5,6 +5,6 @@ go 1.12
 require (
 	golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f
 	golang.org/x/net v0.0.0-20190514140710-3ec191127204
-	golang.org/x/sys v0.0.0-20190528183647-3626398d7749 // indirect
+	golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 // indirect
 	golang.org/x/text v0.3.2 // indirect
 )
diff --git a/src/go.sum b/src/go.sum
index ff3ed35a942..c0f012c3dfe 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -8,6 +8,8 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190528183647-3626398d7749 h1:oG2HS+e2B9VqK95y67B5MgJIJhOPY27/m5uJKJhHzus=
 golang.org/x/sys v0.0.0-20190528183647-3626398d7749/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 h1:2WjIC11WRITGlVWmyLXKjzIVj1ZwoWZ//tadeUUV6/o=
+golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
diff --git a/src/vendor/golang.org/x/sys/cpu/syscall_aix_ppc64_gc.go b/src/vendor/golang.org/x/sys/cpu/syscall_aix_ppc64_gc.go
index 15a8b85204d..78fe25e86fb 100644
--- a/src/vendor/golang.org/x/sys/cpu/syscall_aix_ppc64_gc.go
+++ b/src/vendor/golang.org/x/sys/cpu/syscall_aix_ppc64_gc.go
@@ -18,6 +18,8 @@ import (
 
 //go:cgo_import_dynamic libc_getsystemcfg getsystemcfg "libc.a/shr_64.o"
 
+//go:linkname libc_getsystemcfg libc_getsystemcfg
+
 type syscallFunc uintptr
 
 var libc_getsystemcfg syscallFunc
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 6f64ac79f1b..b7a90067460 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -16,7 +16,7 @@ golang.org/x/net/idna
 golang.org/x/net/lif
 golang.org/x/net/nettest
 golang.org/x/net/route
-# golang.org/x/sys v0.0.0-20190528183647-3626398d7749
+# golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8
 golang.org/x/sys/cpu
 # golang.org/x/text v0.3.2
 golang.org/x/text/secure/bidirule