diff --git a/go.mod b/go.mod
index b73d4f90..984933e2 100644
--- a/go.mod
+++ b/go.mod
@@ -22,7 +22,7 @@ require (
 	github.com/peterbourgon/diskv v2.0.1+incompatible
 	github.com/spf13/pflag v1.0.1
 	github.com/stretchr/testify v1.2.2
-	golang.org/x/crypto v0.0.0-20180904163835-0709b304e793
+	golang.org/x/crypto v0.0.0-20181025213731-e84da0312774
 	golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
 	golang.org/x/oauth2 v0.0.0-20170412232759-a6bd8cefa181
 	golang.org/x/time v0.0.0-20161028155119-f51c12702a4d
@@ -65,7 +65,7 @@ replace (
 	github.com/pmezard/go-difflib => github.com/pmezard/go-difflib v1.0.0
 	github.com/spf13/pflag => github.com/spf13/pflag v1.0.1
 	github.com/stretchr/testify => github.com/stretchr/testify v1.2.2
-	golang.org/x/crypto => golang.org/x/crypto v0.0.0-20180808211826-de0752318171
+	golang.org/x/crypto => golang.org/x/crypto v0.0.0-20181025213731-e84da0312774
 	golang.org/x/net => golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
 	golang.org/x/oauth2 => golang.org/x/oauth2 v0.0.0-20170412232759-a6bd8cefa181
 	golang.org/x/sync => golang.org/x/sync v0.0.0-20181108010431-42b317875d0f
diff --git a/go.sum b/go.sum
index b15d2ca9..66ebd750 100644
--- a/go.sum
+++ b/go.sum
@@ -54,8 +54,8 @@ github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/crypto v0.0.0-20180808211826-de0752318171 h1:vYogbvSFj2YXcjQxFHu/rASSOt9sLytpCaSkiwQ135I=
-golang.org/x/crypto v0.0.0-20180808211826-de0752318171/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20181025213731-e84da0312774 h1:a4tQYYYuK9QdeO/+kEvNYyuR21S+7ve5EANok6hABhI=
+golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/net v0.0.0-20190206173232-65e2d4e15006 h1:bfLnR+k0tq5Lqt6dflRLcZiz6UaXCMt3vhYJ1l4FQ80=
 golang.org/x/net v0.0.0-20190206173232-65e2d4e15006/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/oauth2 v0.0.0-20170412232759-a6bd8cefa181 h1:/4OaQ4bC66Oq9JDhUnxTjBGt8XBhDuwgMRXHgvfcCUY=