diff --git a/go/lab/servo.pb.go b/go/lab/servo.pb.go
index 352251e..c27db71 100644
--- a/go/lab/servo.pb.go
+++ b/go/lab/servo.pb.go
@@ -76,7 +76,65 @@
 	return file_lab_servo_proto_rawDescGZIP(), []int{0}
 }
 
-// NEXT TAG: 9
+// Servo Firmware Channel describes the firmware expected to have on servos.
+// Next Tag : 4
+type ServoFwChannel int32
+
+const (
+	// Servo firmware from Stable channel.
+	ServoFwChannel_SERVO_FW_STABLE ServoFwChannel = 0
+	// The previous Servo firmware from Stable channel.
+	ServoFwChannel_SERVO_FW_PREVIOUS ServoFwChannel = 1
+	// Servo firmware from Dev channel.
+	ServoFwChannel_SERVO_FW_DEV ServoFwChannel = 2
+	// Servo firmware from Alpha channel.
+	ServoFwChannel_SERVO_FW_ALPHA ServoFwChannel = 3
+)
+
+// Enum value maps for ServoFwChannel.
+var (
+	ServoFwChannel_name = map[int32]string{
+		0: "SERVO_FW_STABLE",
+		1: "SERVO_FW_PREVIOUS",
+		2: "SERVO_FW_DEV",
+		3: "SERVO_FW_ALPHA",
+	}
+	ServoFwChannel_value = map[string]int32{
+		"SERVO_FW_STABLE":   0,
+		"SERVO_FW_PREVIOUS": 1,
+		"SERVO_FW_DEV":      2,
+		"SERVO_FW_ALPHA":    3,
+	}
+)
+
+func (x ServoFwChannel) Enum() *ServoFwChannel {
+	p := new(ServoFwChannel)
+	*p = x
+	return p
+}
+
+func (x ServoFwChannel) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ServoFwChannel) Descriptor() protoreflect.EnumDescriptor {
+	return file_lab_servo_proto_enumTypes[1].Descriptor()
+}
+
+func (ServoFwChannel) Type() protoreflect.EnumType {
+	return &file_lab_servo_proto_enumTypes[1]
+}
+
+func (x ServoFwChannel) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ServoFwChannel.Descriptor instead.
+func (ServoFwChannel) EnumDescriptor() ([]byte, []int) {
+	return file_lab_servo_proto_rawDescGZIP(), []int{1}
+}
+
+// NEXT TAG: 10
 type Servo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -91,7 +149,8 @@
 	ServoType  string         `protobuf:"bytes,5,opt,name=servo_type,json=servoType,proto3" json:"servo_type,omitempty"`
 	ServoSetup ServoSetupType `protobuf:"varint,7,opt,name=servo_setup,json=servoSetup,proto3,enum=lab.ServoSetupType" json:"servo_setup,omitempty"`
 	// Based on http://go/fleet-servo-topology
-	ServoTopology *ServoTopology `protobuf:"bytes,8,opt,name=servo_topology,json=servoTopology,proto3" json:"servo_topology,omitempty"`
+	ServoTopology  *ServoTopology `protobuf:"bytes,8,opt,name=servo_topology,json=servoTopology,proto3" json:"servo_topology,omitempty"`
+	ServoFwChannel ServoFwChannel `protobuf:"varint,9,opt,name=servo_fw_channel,json=servoFwChannel,proto3,enum=lab.ServoFwChannel" json:"servo_fw_channel,omitempty"`
 }
 
 func (x *Servo) Reset() {
@@ -168,6 +227,13 @@
 	return nil
 }
 
+func (x *Servo) GetServoFwChannel() ServoFwChannel {
+	if x != nil {
+		return x.ServoFwChannel
+	}
+	return ServoFwChannel_SERVO_FW_STABLE
+}
+
 // Servo Topology describe connected servo devices on DUT set-up to provide Servo functionality.
 // Next Tag : 3
 type ServoTopology struct {
@@ -311,7 +377,7 @@
 
 var file_lab_servo_proto_rawDesc = []byte{
 	0x0a, 0x0f, 0x6c, 0x61, 0x62, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
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+	0x6f, 0x12, 0x03, 0x6c, 0x61, 0x62, 0x22, 0xc5, 0x02, 0x0a, 0x05, 0x53, 0x65, 0x72, 0x76, 0x6f,
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@@ -327,32 +393,43 @@
 	0x0a, 0x0e, 0x73, 0x65, 0x72, 0x76, 0x6f, 0x5f, 0x74, 0x6f, 0x70, 0x6f, 0x6c, 0x6f, 0x67, 0x79,
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+	0x63, 0x68, 0x72, 0x6f, 0x6d, 0x69, 0x75, 0x6d, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x63, 0x68, 0x72,
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+	0x6f, 0x33,
 }
 
 var (
@@ -367,24 +444,26 @@
 	return file_lab_servo_proto_rawDescData
 }
 
-var file_lab_servo_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_lab_servo_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
 var file_lab_servo_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
 var file_lab_servo_proto_goTypes = []interface{}{
 	(ServoSetupType)(0),       // 0: lab.ServoSetupType
-	(*Servo)(nil),             // 1: lab.Servo
-	(*ServoTopology)(nil),     // 2: lab.ServoTopology
-	(*ServoTopologyItem)(nil), // 3: lab.ServoTopologyItem
+	(ServoFwChannel)(0),       // 1: lab.ServoFwChannel
+	(*Servo)(nil),             // 2: lab.Servo
+	(*ServoTopology)(nil),     // 3: lab.ServoTopology
+	(*ServoTopologyItem)(nil), // 4: lab.ServoTopologyItem
 }
 var file_lab_servo_proto_depIdxs = []int32{
 	0, // 0: lab.Servo.servo_setup:type_name -> lab.ServoSetupType
-	2, // 1: lab.Servo.servo_topology:type_name -> lab.ServoTopology
-	3, // 2: lab.ServoTopology.main:type_name -> lab.ServoTopologyItem
-	3, // 3: lab.ServoTopology.children:type_name -> lab.ServoTopologyItem
-	4, // [4:4] is the sub-list for method output_type
-	4, // [4:4] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
+	3, // 1: lab.Servo.servo_topology:type_name -> lab.ServoTopology
+	1, // 2: lab.Servo.servo_fw_channel:type_name -> lab.ServoFwChannel
+	4, // 3: lab.ServoTopology.main:type_name -> lab.ServoTopologyItem
+	4, // 4: lab.ServoTopology.children:type_name -> lab.ServoTopologyItem
+	5, // [5:5] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_lab_servo_proto_init() }
@@ -435,7 +514,7 @@
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_lab_servo_proto_rawDesc,
-			NumEnums:      1,
+			NumEnums:      2,
 			NumMessages:   3,
 			NumExtensions: 0,
 			NumServices:   0,
diff --git a/src/lab/servo.proto b/src/lab/servo.proto
index 695ce3e..8e70dfc 100644
--- a/src/lab/servo.proto
+++ b/src/lab/servo.proto
@@ -8,7 +8,7 @@
 
 option go_package = "go.chromium.org/chromiumos/infra/proto/go/lab";
 
-// NEXT TAG: 9
+// NEXT TAG: 10
 message Servo {
   reserved 6;
   // Servo-specific configs
@@ -21,6 +21,7 @@
   ServoSetupType servo_setup = 7;
   // Based on http://go/fleet-servo-topology
   ServoTopology servo_topology = 8;
+  ServoFwChannel servo_fw_channel = 9;
 }
 
 // Servo Setup Type describes the capabilities of servos.
@@ -32,6 +33,19 @@
     SERVO_SETUP_INVALID = 2;
 }
 
+// Servo Firmware Channel describes the firmware expected to have on servos.
+// Next Tag : 4
+enum ServoFwChannel {
+  // Servo firmware from Stable channel.
+  SERVO_FW_STABLE = 0;
+  // The previous Servo firmware from Stable channel.
+  SERVO_FW_PREVIOUS = 1;
+  // Servo firmware from Dev channel.
+  SERVO_FW_DEV = 2;
+  // Servo firmware from Alpha channel.
+  SERVO_FW_ALPHA = 3;
+}
+
 // Servo Topology describe connected servo devices on DUT set-up to provide Servo functionality.
 // Next Tag : 3
 message ServoTopology  {