diff --git a/go.mod b/go.mod
index ef9813c..3e3bfd1 100644
--- a/go.mod
+++ b/go.mod
@@ -11,12 +11,12 @@ replace github.com/elazarl/goproxy => github.com/bdwyertech/goproxy v0.0.0-20200
 require (
 	github.com/ReneKroon/ttlcache/v2 v2.3.0
 	github.com/bdwyertech/go-scutil v0.0.0-20210306002117-b25267f54e45
-	github.com/bdwyertech/proxyplease v0.1.1-0.20210306012352-4ea051c58b75
+	github.com/bdwyertech/proxyplease v0.1.1-0.20210312154302-7af8b2b97a43
 	github.com/elazarl/goproxy v0.0.0-00010101000000-000000000000
 	github.com/kardianos/service v1.2.0
 	github.com/mattn/go-colorable v0.1.8
 	github.com/mattn/go-isatty v0.0.12
 	github.com/sirupsen/logrus v1.8.1
-	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b
 )
diff --git a/go.sum b/go.sum
index 1b727d1..bcac6c6 100644
--- a/go.sum
+++ b/go.sum
@@ -11,8 +11,8 @@ github.com/bdwyertech/go-scutil v0.0.0-20210306002117-b25267f54e45 h1:h0VnajBq78
 github.com/bdwyertech/go-scutil v0.0.0-20210306002117-b25267f54e45/go.mod h1:gV303gJocqRNJVrg/n4cB+ZwoHxKKMiAiwe+t627Kjw=
 github.com/bdwyertech/goproxy v0.0.0-20200419011457-7aaf118834c9 h1:Eu3d1Y6dGkfqvQ+S0v5RccH8pBZlzhOTBU+U7NQmlRs=
 github.com/bdwyertech/goproxy v0.0.0-20200419011457-7aaf118834c9/go.mod h1:Ro8st/ElPeALwNFlcTpWmkr6IoMFfkjXAvTHpevnDsM=
-github.com/bdwyertech/proxyplease v0.1.1-0.20210306012352-4ea051c58b75 h1:kMe1SX5FAJA7AL3JaQGa5ThW+YY3a11IQunl7i2+Uew=
-github.com/bdwyertech/proxyplease v0.1.1-0.20210306012352-4ea051c58b75/go.mod h1:lMMrCFIIAdgrOdBmnc474bXtuNJFW/vdmpQDTz0y7FU=
+github.com/bdwyertech/proxyplease v0.1.1-0.20210312154302-7af8b2b97a43 h1:WZwy7xGs7y7i5ALwgPoVX7d2dlNt4zfTqOJcbJ5SbBw=
+github.com/bdwyertech/proxyplease v0.1.1-0.20210312154302-7af8b2b97a43/go.mod h1:lMMrCFIIAdgrOdBmnc474bXtuNJFW/vdmpQDTz0y7FU=
 github.com/darren/gpac v0.0.0-20201209040425-3300e0622b93 h1:H6CW26kV4Egh6/v0o7Nd33ArRtwfQ9erfrVzOCZ1O6Q=
 github.com/darren/gpac v0.0.0-20201209040425-3300e0622b93/go.mod h1:1Id6bMaG5dQYTt+Pk0msQw4r/+kkuzfuFwoictr5mcU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -77,8 +77,9 @@ golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/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 v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/vendor/github.com/bdwyertech/proxyplease/ntlm_other.go b/vendor/github.com/bdwyertech/proxyplease/ntlm_other.go
index 6bc0ae8..65794a7 100644
--- a/vendor/github.com/bdwyertech/proxyplease/ntlm_other.go
+++ b/vendor/github.com/bdwyertech/proxyplease/ntlm_other.go
@@ -81,15 +81,15 @@ func dialNTLM(p Proxy, addr string, baseDial func() (net.Conn, error)) (net.Conn
 		return conn, err
 	}
 
-	h = p.Headers.Clone()
-	h.Set("Proxy-Authorization", fmt.Sprintf("NTLM %s", base64.StdEncoding.EncodeToString(authBytes)))
-	h.Set("Proxy-Connection", "Keep-Alive")
-	connect = &http.Request{
-		Method: "CONNECT",
-		URL:    &url.URL{Opaque: addr},
-		Host:   addr,
-		Header: h,
+	// Rewind the request body, the handshake needs it
+	if connect.GetBody != nil {
+		if connect.Body, err = connect.GetBody(); err != nil {
+			return conn, err
+		}
 	}
+
+	connect.Header.Set("Proxy-Authorization", fmt.Sprintf("NTLM %s", base64.StdEncoding.EncodeToString(authBytes)))
+
 	if err := connect.WriteProxy(conn); err != nil {
 		debugf("ntlm> Could not write authenticate message to proxy: %s", err)
 		return conn, err
@@ -100,6 +100,7 @@ func dialNTLM(p Proxy, addr string, baseDial func() (net.Conn, error)) (net.Conn
 		debugf("ntlm> Could not read authenticate response from proxy: %s", err)
 		return conn, err
 	}
+	resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		debugf("ntlm> Successfully injected NTLM to connection")
@@ -108,5 +109,4 @@ func dialNTLM(p Proxy, addr string, baseDial func() (net.Conn, error)) (net.Conn
 
 	debugf("ntlm> Expected %d as return status, got: %d", http.StatusOK, resp.StatusCode)
 	return conn, errors.New(http.StatusText(resp.StatusCode))
-
 }
diff --git a/vendor/github.com/bdwyertech/proxyplease/ntlm_windows.go b/vendor/github.com/bdwyertech/proxyplease/ntlm_windows.go
index 7ce9ba4..45e4e60 100644
--- a/vendor/github.com/bdwyertech/proxyplease/ntlm_windows.go
+++ b/vendor/github.com/bdwyertech/proxyplease/ntlm_windows.go
@@ -115,6 +115,7 @@ func dialNTLM(p Proxy, addr string, baseDial func() (net.Conn, error)) (net.Conn
 		debugf("ntlm> Could not read authenticate response from proxy: %s", err)
 		return conn, err
 	}
+	resp.Body.Close()
 
 	if resp.StatusCode == http.StatusOK {
 		debugf("ntlm> Successfully injected NTLM to connection")
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7fa02ee..dfb8d6e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -12,7 +12,7 @@ github.com/bdwyertech/go-get-proxied/winhttp
 # github.com/bdwyertech/go-scutil v0.0.0-20210306002117-b25267f54e45
 ## explicit
 github.com/bdwyertech/go-scutil/proxy
-# github.com/bdwyertech/proxyplease v0.1.1-0.20210306012352-4ea051c58b75
+# github.com/bdwyertech/proxyplease v0.1.1-0.20210312154302-7af8b2b97a43
 ## explicit
 github.com/bdwyertech/proxyplease
 # github.com/darren/gpac v0.0.0-20201209040425-3300e0622b93
@@ -51,7 +51,7 @@ golang.org/x/crypto/md4
 # golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
 golang.org/x/net/internal/socks
 golang.org/x/net/proxy
-# golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
+# golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 ## explicit
 golang.org/x/sync/singleflight
 # golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b