diff --git a/components/engine/hack/dockerfile/install/proxy.installer b/components/engine/hack/dockerfile/install/proxy.installer
index f4196934b8d..65ebeba0a83 100755
--- a/components/engine/hack/dockerfile/install/proxy.installer
+++ b/components/engine/hack/dockerfile/install/proxy.installer
@@ -3,7 +3,7 @@
 # LIBNETWORK_COMMIT is used to build the docker-userland-proxy binary. When
 # updating the binary version, consider updating github.com/docker/libnetwork
 # in vendor.conf accordingly
-LIBNETWORK_COMMIT=9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
+LIBNETWORK_COMMIT=5ac07abef4eee176423fdc1b870d435258e2d381
 
 install_proxy() {
 	case "$1" in
diff --git a/components/engine/vendor.conf b/components/engine/vendor.conf
index 0719a40d84a..6b4df6046cf 100644
--- a/components/engine/vendor.conf
+++ b/components/engine/vendor.conf
@@ -39,7 +39,7 @@ github.com/gofrs/flock                              7f43ea2e6a643ad441fc12d0ecc0
 # libnetwork
 
 # When updating, also update LIBNETWORK_COMMIT in hack/dockerfile/install/proxy.installer accordingly
-github.com/docker/libnetwork                        9ff9b57c344df5cd47443ad9e65702ec85c5aeb0
+github.com/docker/libnetwork                        5ac07abef4eee176423fdc1b870d435258e2d381
 github.com/docker/go-events                         9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/armon/go-radix                           e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 github.com/armon/go-metrics                         eb0af217e5e9747e41dd5303755356b62d28e3ec
diff --git a/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/port_mapping.go b/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/port_mapping.go
index 51791fd1116..4ad25c1e79d 100644
--- a/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/port_mapping.go
+++ b/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/port_mapping.go
@@ -48,6 +48,12 @@ func allocatePort(portMapper *portmapper.PortMapper, bnd *types.PortBinding, con
 		err  error
 	)
 
+	// Windows does not support a host ip for port bindings (this is validated in ConvertPortBindings()).
+	// If the HostIP is nil, force it to be 0.0.0.0 for use as the key in portMapper.
+	if bnd.HostIP == nil {
+		bnd.HostIP = net.IPv4zero
+	}
+
 	// Store the container interface address in the operational binding
 	bnd.IP = containerIP
 
diff --git a/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/windows.go b/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/windows.go
index c8ab047592a..b8a5f73b967 100644
--- a/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/windows.go
+++ b/components/engine/vendor/github.com/docker/libnetwork/drivers/windows/windows.go
@@ -462,7 +462,7 @@ func ConvertPortBindings(portBindings []types.PortBinding) ([]json.RawMessage, e
 			return nil, fmt.Errorf("Windows does not support more than one host port in NAT settings")
 		}
 
-		if len(elem.HostIP) != 0 {
+		if len(elem.HostIP) != 0 && !elem.HostIP.IsUnspecified() {
 			return nil, fmt.Errorf("Windows does not support host IP addresses in NAT settings")
 		}