diff --git a/go.mod b/go.mod
index 9d0eb8e..0f3251f 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ go 1.13
 
 require (
 	github.com/gorilla/websocket v1.4.1
-	golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739
-	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
-	golang.org/x/sys v0.0.0-20190907184412-d223b2b6db03 // indirect
+	golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7
+	golang.org/x/net v0.0.0-20190916140828-c8589233b77d
+	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 // indirect
 )
diff --git a/go.sum b/go.sum
index 90a2c2f..2bb2ed5 100644
--- a/go.sum
+++ b/go.sum
@@ -3,13 +3,19 @@ github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 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/crypto v0.0.0-20190911031432-227b76d455e7 h1:0hQKqeLdqlt5iIwVOBErRisrHJAN57yOiPRQItI20fU=
+golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190916140828-c8589233b77d h1:mCMDWKhNO37A7GAhOpHPbIw1cjd0V86kX1/WA9c7FZ8=
+golang.org/x/net v0.0.0-20190916140828-c8589233b77d/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f h1:25KHgbfyiSm6vwQLbM3zZIe1v9p/3ea4Rz+nnM5K/i4=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190907184412-d223b2b6db03 h1:b3JiLYVaG9kHjTcOQIoUh978YMCO7oVTQQBLudU47zY=
 golang.org/x/sys v0.0.0-20190907184412-d223b2b6db03/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=