diff --git a/agent/agent_test.go b/agent/agent_test.go
index 805a2bc119..d04843fd1f 100644
--- a/agent/agent_test.go
+++ b/agent/agent_test.go
@@ -11,6 +11,7 @@ import (
 	"os"
 	"os/exec"
 	"os/user"
+	"path"
 	"path/filepath"
 	"runtime"
 	"strconv"
@@ -231,7 +232,13 @@ func TestAgent(t *testing.T) {
 		require.NoError(t, err, "get working directory")
 		require.Equal(t, home, wd, "working directory should be home user home")
 		tempFile := filepath.Join(t.TempDir(), "sftp")
-		file, err := client.Create(tempFile)
+		// SFTP only accepts unix-y paths.
+		remoteFile := filepath.ToSlash(tempFile)
+		if !path.IsAbs(remoteFile) {
+			// On Windows, e.g. "/C:/Users/...".
+			remoteFile = path.Join("/", remoteFile)
+		}
+		file, err := client.Create(remoteFile)
 		require.NoError(t, err)
 		err = file.Close()
 		require.NoError(t, err)
diff --git a/go.mod b/go.mod
index e536c5759b..8e59f91091 100644
--- a/go.mod
+++ b/go.mod
@@ -51,12 +51,6 @@ replace tailscale.com => github.com/coder/tailscale v1.1.1-0.20221015033036-5861
 // makes importing it directly a bit messy.
 replace github.com/gliderlabs/ssh => github.com/coder/ssh v0.0.0-20220811105153-fcea99919338
 
-// The sftp server implementation used by us does not support changing
-// the working directory, this fork adds support for it.
-//
-// Attempt to upstream: https://github.com/pkg/sftp/pull/528
-replace github.com/pkg/sftp => github.com/mafredri/sftp v1.13.6-0.20221014125459-6a7168cf46fd
-
 require (
 	cdr.dev/slog v1.4.2-0.20220525200111-18dce5c2cd5f
 	cloud.google.com/go/compute v1.10.0
@@ -119,7 +113,7 @@ require (
 	github.com/pion/udp v0.1.1
 	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8
 	github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e
-	github.com/pkg/sftp v1.13.5
+	github.com/pkg/sftp v1.13.6-0.20221018182125-7da137aa03f0
 	github.com/prometheus/client_golang v1.13.0
 	github.com/quasilyte/go-ruleguard/dsl v0.3.21
 	github.com/robfig/cron/v3 v3.0.1
diff --git a/go.sum b/go.sum
index 140aac2833..919345eb20 100644
--- a/go.sum
+++ b/go.sum
@@ -1230,8 +1230,6 @@ github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0/go.mod h1:zJYVVT2jmtg6P3p1VtQj7WsuWi/y4VnjVBn7F8KPB3I=
 github.com/lyft/protoc-gen-star v0.5.3/go.mod h1:V0xaHgaf5oCCqmcxYcWiDfTiKsZsRc87/1qhoTACD8w=
-github.com/mafredri/sftp v1.13.6-0.20221014125459-6a7168cf46fd h1:X7ZK1YGbCoPkllDq/lG5PLV4k3LVddypzoH5hVgzmiw=
-github.com/mafredri/sftp v1.13.6-0.20221014125459-6a7168cf46fd/go.mod h1:wHDZ0IZX6JcBYRK1TH9bcVq8G7TLpVHYIGJRFnmPfxg=
 github.com/mafredri/udp v0.1.2-0.20220805105907-b2872e92e98d h1:E+lU8/1jcUd3guqaRvjAGCcwoPe7jcYrNv9K0OzEwdQ=
 github.com/mafredri/udp v0.1.2-0.20220805105907-b2872e92e98d/go.mod h1:GUd681aT3Tj7pdNkUtqBz5pp/GLMGIaMI9Obq6+ob48=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
@@ -1516,6 +1514,10 @@ github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=
+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
+github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qRg=
+github.com/pkg/sftp v1.13.6-0.20221018182125-7da137aa03f0 h1:QJypP3NZEUt+ka49zyp/MSdpjjM9EYkg0WA1NZQaxT0=
+github.com/pkg/sftp v1.13.6-0.20221018182125-7da137aa03f0/go.mod h1:wHDZ0IZX6JcBYRK1TH9bcVq8G7TLpVHYIGJRFnmPfxg=
 github.com/pmezard/go-difflib v0.0.0-20151028094244-d8ed2627bdf0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=