diff --git a/go.mod b/go.mod
index 1b169109..04865fc5 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/kardianos/service v1.0.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/miekg/dns v1.1.16
-	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472
+	golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739
 	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
 	golang.org/x/sys v0.0.0-20190904154756-749cb33beabd
diff --git a/go.sum b/go.sum
index d84941dd..159d1e7e 100644
--- a/go.sum
+++ b/go.sum
@@ -55,8 +55,8 @@ github.com/miekg/dns v1.1.16/go.mod h1:YNV562EiewvSmpCB6/W4c6yqjK7Z+M/aIS1JHsIVe
 golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
-golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 h1:Gv7RPwsi3eZ2Fgewe3CBsuOebPwO27PoXzRpJPsvSSM=
-golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739 h1:Gc7JIyxvWgD6m+QmVryY0MstDORNYididDGxgZ6Tnpk=
+golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/net v0.0.0-20180926154720-4dfa2610cdf3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7c0ff2bb..847d8593 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -45,7 +45,7 @@ github.com/k-sone/critbitgo
 github.com/kardianos/service
 # github.com/miekg/dns v1.1.16
 github.com/miekg/dns
-# golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472
+# golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739
 golang.org/x/crypto/ed25519
 golang.org/x/crypto/nacl/secretbox
 golang.org/x/crypto/salsa20/salsa
@@ -65,12 +65,12 @@ golang.org/x/net/bpf
 golang.org/x/net/internal/iana
 golang.org/x/net/internal/socket
 # golang.org/x/sys v0.0.0-20190904154756-749cb33beabd
+golang.org/x/sys/unix
 golang.org/x/sys/windows/svc/mgr
 golang.org/x/sys/cpu
 golang.org/x/sys/windows/svc/eventlog
 golang.org/x/sys/windows/registry
 golang.org/x/sys/windows/svc
-golang.org/x/sys/unix
 golang.org/x/sys/windows
 # golang.org/x/text v0.3.2
 golang.org/x/text/secure/bidirule