diff --git a/pkg/tag/machine.go b/pkg/tag/machine.go
index 60bf4721..8929fdac 100644
--- a/pkg/tag/machine.go
+++ b/pkg/tag/machine.go
@@ -2,19 +2,27 @@ package tag
 
 const (
 	// MachineID tag to store machine ID
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineID
 	MachineID = "machine.metal-stack.io/id"
 	// MachineName tag to store machine name
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineName
 	MachineName = "machine.metal-stack.io/name"
 	// MachineDescription tag to store machine description
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineDescription
 	MachineDescription = "machine.metal-stack.io/description"
 	// MachineProject tag to store the project where the machine belongs to
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineProject
 	MachineProject = "machine.metal-stack.io/project"
 	// MachineTenant tag to store the tenant the machine belongs to
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineTenant
 	MachineTenant = "machine.metal-stack.io/tenant"
 	// MachineNetworkPrimaryASN tag to store the primary BGP ASN the machine announces.
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineNetworkPrimaryASN
 	MachineNetworkPrimaryASN = "machine.metal-stack.io/network.primary.asn"
 	// MachineRack tag to store the rack that this machine is placed in.
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineRack
 	MachineRack = "machine.metal-stack.io/rack"
 	// MachineChassis tag to store the machine chassis.
+	// Deprecated use github.com/metal-stack/api/go/tag/MachineChassis
 	MachineChassis = "machine.metal-stack.io/chassis"
 )