diff --git a/src/cmd/go.mod b/src/cmd/go.mod
index fddae5b84de46..da8d6b8288617 100644
--- a/src/cmd/go.mod
+++ b/src/cmd/go.mod
@@ -8,6 +8,6 @@ require (
 	golang.org/x/arch v0.0.0-20190815191158-8a70ba74b3a1
 	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
 	golang.org/x/mod v0.2.0
-	golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82 // indirect
-	golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e
+	golang.org/x/sys v0.0.0-20200131233351-9e5cf931a04b // indirect
+	golang.org/x/tools v0.0.0-20200131233409-575de47986ce
 )
diff --git a/src/cmd/go.sum b/src/cmd/go.sum
index 186222f1cfaa7..a4c29e2de9a80 100644
--- a/src/cmd/go.sum
+++ b/src/cmd/go.sum
@@ -16,12 +16,14 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 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 v0.0.0-20190502175342-a43fa875dd82 h1:vsphBvatvfbhlb4PO1BYSr9dzugGxJ/SQHoNufZJq1w=
-golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200131233351-9e5cf931a04b h1:ahtIOvqocajzNYaudmOTIwviK1X7yj/+RoTtKdwEwXA=
+golang.org/x/sys v0.0.0-20200131233351-9e5cf931a04b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e h1:aZzprAO9/8oim3qStq3wc1Xuxx4QmAGriC4VU4ojemQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200131233409-575de47986ce h1:Uglradbb4KfUWaYasZhlsDsGRwHHvRsHoNAEONef0W8=
+golang.org/x/tools v0.0.0-20200131233409-575de47986ce/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/src/cmd/vendor/modules.txt b/src/cmd/vendor/modules.txt
index 67697b4bf99a8..475bfaa5ce3b2 100644
--- a/src/cmd/vendor/modules.txt
+++ b/src/cmd/vendor/modules.txt
@@ -40,11 +40,11 @@ golang.org/x/mod/sumdb/dirhash
 golang.org/x/mod/sumdb/note
 golang.org/x/mod/sumdb/tlog
 golang.org/x/mod/zip
-# golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82
+# golang.org/x/sys v0.0.0-20200131233351-9e5cf931a04b
 ## explicit
 golang.org/x/sys/unix
 golang.org/x/sys/windows
-# golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e
+# golang.org/x/tools v0.0.0-20200131233409-575de47986ce
 ## explicit
 golang.org/x/tools/go/analysis
 golang.org/x/tools/go/analysis/internal/analysisflags
diff --git a/src/go.mod b/src/go.mod
index 72114080ceb0e..a003f71b5a7a6 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -5,6 +5,6 @@ go 1.14
 require (
 	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
 	golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933
-	golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 // indirect
+	golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf // indirect
 	golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f // indirect
 )
diff --git a/src/go.sum b/src/go.sum
index 9f24502dc2a03..14aa96f333c1b 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -6,8 +6,8 @@ golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933 h1:e6HwijUxhDe+hPNjZQQn9bA5P
 golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/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 v0.0.0-20190529130038-5219a1e1c5f8 h1:2WjIC11WRITGlVWmyLXKjzIVj1ZwoWZ//tadeUUV6/o=
-golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf h1:+4j7oujXP478CVb/AFvHJmVX5+Pczx2NGts5yirA0oY=
+golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f h1:wYBuYA3M/ZC3iBpL1jKHNRNEK7d8D3JoJmM+zx6rLVQ=
 golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
diff --git a/src/vendor/golang.org/x/sys/cpu/cpu_riscv64.go b/src/vendor/golang.org/x/sys/cpu/cpu_riscv64.go
index fe9feb798009f..80f4da97e2d89 100644
--- a/src/vendor/golang.org/x/sys/cpu/cpu_riscv64.go
+++ b/src/vendor/golang.org/x/sys/cpu/cpu_riscv64.go
@@ -1,4 +1,4 @@
-// Copyright 2020 The Go Authors. All rights reserved.
+// Copyright 2019 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 0944c9a5330c6..c702be0bda76a 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -18,7 +18,7 @@ golang.org/x/net/idna
 golang.org/x/net/lif
 golang.org/x/net/nettest
 golang.org/x/net/route
-# golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8
+# golang.org/x/sys v0.0.0-20200201011859-915c9c3d4ccf
 ## explicit
 golang.org/x/sys/cpu
 # golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f