diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index 753c058..81a6cb5 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -39,47 +39,51 @@ type CommandType int32
 
 const (
 	CommandType_none CommandType = 0
-	// Toggles the sails, either catching the wind, or charging from the sun
-	CommandType_toggle CommandType = 1
-	// Turns the rover in the specified bearing (requires bearing)
-	CommandType_turn CommandType = 2
-	// Stashes item at current location in rover inventory
-	CommandType_stash CommandType = 3
-	// Repairs the rover using an inventory object
-	CommandType_repair CommandType = 4
-	// Broadcasts a message to nearby rovers (requires data)
-	CommandType_broadcast CommandType = 5
-	// Salvages a neighboring dormant rover for parts
-	CommandType_salvage CommandType = 6
-	// Transfers remote control into dormant rover
-	CommandType_transfer CommandType = 7
 	// Waits before performing the next command
-	CommandType_wait CommandType = 8
+	CommandType_wait CommandType = 1
+	// Toggles the sails, either catching the wind, or charging from the sun
+	CommandType_toggle CommandType = 2
+	// Turns the rover in the specified bearing (requires bearing)
+	CommandType_turn CommandType = 3
+	// Stashes item at current location in rover inventory
+	CommandType_stash CommandType = 4
+	// Repairs the rover using an inventory object
+	CommandType_repair CommandType = 5
+	// Broadcasts a message to nearby rovers (requires data)
+	CommandType_broadcast CommandType = 6
+	// Salvages a neighboring dormant rover for parts
+	CommandType_salvage CommandType = 7
+	// Transfers remote control into dormant rover
+	CommandType_transfer CommandType = 8
+	// Upgrades a chosen rover specification using 5 rover parts
+	CommandType_upgrade CommandType = 9
 )
 
 // Enum value maps for CommandType.
 var (
 	CommandType_name = map[int32]string{
 		0: "none",
-		1: "toggle",
-		2: "turn",
-		3: "stash",
-		4: "repair",
-		5: "broadcast",
-		6: "salvage",
-		7: "transfer",
-		8: "wait",
+		1: "wait",
+		2: "toggle",
+		3: "turn",
+		4: "stash",
+		5: "repair",
+		6: "broadcast",
+		7: "salvage",
+		8: "transfer",
+		9: "upgrade",
 	}
 	CommandType_value = map[string]int32{
 		"none":      0,
-		"toggle":    1,
-		"turn":      2,
-		"stash":     3,
-		"repair":    4,
-		"broadcast": 5,
-		"salvage":   6,
-		"transfer":  7,
-		"wait":      8,
+		"wait":      1,
+		"toggle":    2,
+		"turn":      3,
+		"stash":     4,
+		"repair":    5,
+		"broadcast": 6,
+		"salvage":   7,
+		"transfer":  8,
+		"upgrade":   9,
 	}
 )
 
@@ -179,6 +183,62 @@ func (Bearing) EnumDescriptor() ([]byte, []int) {
 	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{1}
 }
 
+// Describes the type of upgrade
+type RoverUpgrade int32
+
+const (
+	RoverUpgrade_RoverUpgradeUnknown RoverUpgrade = 0
+	RoverUpgrade_Range               RoverUpgrade = 1
+	RoverUpgrade_Capacity            RoverUpgrade = 2
+	RoverUpgrade_MaximumIntegrity    RoverUpgrade = 3
+	RoverUpgrade_MaximumCharge       RoverUpgrade = 4
+)
+
+// Enum value maps for RoverUpgrade.
+var (
+	RoverUpgrade_name = map[int32]string{
+		0: "RoverUpgradeUnknown",
+		1: "Range",
+		2: "Capacity",
+		3: "MaximumIntegrity",
+		4: "MaximumCharge",
+	}
+	RoverUpgrade_value = map[string]int32{
+		"RoverUpgradeUnknown": 0,
+		"Range":               1,
+		"Capacity":            2,
+		"MaximumIntegrity":    3,
+		"MaximumCharge":       4,
+	}
+)
+
+func (x RoverUpgrade) Enum() *RoverUpgrade {
+	p := new(RoverUpgrade)
+	*p = x
+	return p
+}
+
+func (x RoverUpgrade) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RoverUpgrade) Descriptor() protoreflect.EnumDescriptor {
+	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+}
+
+func (RoverUpgrade) Type() protoreflect.EnumType {
+	return &file_roveapi_roveapi_proto_enumTypes[2]
+}
+
+func (x RoverUpgrade) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RoverUpgrade.Descriptor instead.
+func (RoverUpgrade) EnumDescriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+}
+
 // Types of objects
 type Object int32
 
@@ -229,11 +289,11 @@ func (x Object) String() string {
 }
 
 func (Object) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
 }
 
 func (Object) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[2]
+	return &file_roveapi_roveapi_proto_enumTypes[3]
 }
 
 func (x Object) Number() protoreflect.EnumNumber {
@@ -242,7 +302,7 @@ func (x Object) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Object.Descriptor instead.
 func (Object) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
 }
 
 type Tile int32
@@ -285,11 +345,11 @@ func (x Tile) String() string {
 }
 
 func (Tile) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
 }
 
 func (Tile) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[3]
+	return &file_roveapi_roveapi_proto_enumTypes[4]
 }
 
 func (x Tile) Number() protoreflect.EnumNumber {
@@ -298,7 +358,7 @@ func (x Tile) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Tile.Descriptor instead.
 func (Tile) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
 }
 
 // SailPosition represents the position of the sola sail
@@ -337,11 +397,11 @@ func (x SailPosition) String() string {
 }
 
 func (SailPosition) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[5].Descriptor()
 }
 
 func (SailPosition) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[4]
+	return &file_roveapi_roveapi_proto_enumTypes[5]
 }
 
 func (x SailPosition) Number() protoreflect.EnumNumber {
@@ -350,7 +410,7 @@ func (x SailPosition) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SailPosition.Descriptor instead.
 func (SailPosition) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{5}
 }
 
 // ServerStatusRequest is an empty placeholder
@@ -648,6 +708,8 @@ type Command struct {
 	Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
 	// move - the bearing for the rover to turn to
 	Bearing Bearing `protobuf:"varint,4,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
+	// upgrade - the upgrade to apply to the rover
+	Upgrade RoverUpgrade `protobuf:"varint,5,opt,name=upgrade,proto3,enum=roveapi.RoverUpgrade" json:"upgrade,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -710,6 +772,13 @@ func (x *Command) GetBearing() Bearing {
 	return Bearing_BearingUnknown
 }
 
+func (x *Command) GetUpgrade() RoverUpgrade {
+	if x != nil {
+		return x.Upgrade
+	}
+	return RoverUpgrade_RoverUpgradeUnknown
+}
+
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
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 }
 
 var (
@@ -1577,66 +1657,68 @@ func file_roveapi_roveapi_proto_rawDescGZIP() []byte {
 	return file_roveapi_roveapi_proto_rawDescData
 }
 
-var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
+var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 6)
 var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(CommandType)(0),             // 0: roveapi.CommandType
 	(Bearing)(0),                 // 1: roveapi.Bearing
-	(Object)(0),                  // 2: roveapi.Object
-	(Tile)(0),                    // 3: roveapi.Tile
-	(SailPosition)(0),            // 4: roveapi.SailPosition
-	(*ServerStatusRequest)(nil),  // 5: roveapi.ServerStatusRequest
-	(*ServerStatusResponse)(nil), // 6: roveapi.ServerStatusResponse
-	(*RegisterRequest)(nil),      // 7: roveapi.RegisterRequest
-	(*Account)(nil),              // 8: roveapi.Account
-	(*RegisterResponse)(nil),     // 9: roveapi.RegisterResponse
-	(*Command)(nil),              // 10: roveapi.Command
-	(*CommandRequest)(nil),       // 11: roveapi.CommandRequest
-	(*CommandResponse)(nil),      // 12: roveapi.CommandResponse
-	(*RadarRequest)(nil),         // 13: roveapi.RadarRequest
-	(*RadarResponse)(nil),        // 14: roveapi.RadarResponse
-	(*StatusRequest)(nil),        // 15: roveapi.StatusRequest
-	(*Log)(nil),                  // 16: roveapi.Log
-	(*Vector)(nil),               // 17: roveapi.Vector
-	(*RoverSpecifications)(nil),  // 18: roveapi.RoverSpecifications
-	(*RoverStatus)(nil),          // 19: roveapi.RoverStatus
-	(*RoverReadings)(nil),        // 20: roveapi.RoverReadings
-	(*StatusResponse)(nil),       // 21: roveapi.StatusResponse
+	(RoverUpgrade)(0),            // 2: roveapi.RoverUpgrade
+	(Object)(0),                  // 3: roveapi.Object
+	(Tile)(0),                    // 4: roveapi.Tile
+	(SailPosition)(0),            // 5: roveapi.SailPosition
+	(*ServerStatusRequest)(nil),  // 6: roveapi.ServerStatusRequest
+	(*ServerStatusResponse)(nil), // 7: roveapi.ServerStatusResponse
+	(*RegisterRequest)(nil),      // 8: roveapi.RegisterRequest
+	(*Account)(nil),              // 9: roveapi.Account
+	(*RegisterResponse)(nil),     // 10: roveapi.RegisterResponse
+	(*Command)(nil),              // 11: roveapi.Command
+	(*CommandRequest)(nil),       // 12: roveapi.CommandRequest
+	(*CommandResponse)(nil),      // 13: roveapi.CommandResponse
+	(*RadarRequest)(nil),         // 14: roveapi.RadarRequest
+	(*RadarResponse)(nil),        // 15: roveapi.RadarResponse
+	(*StatusRequest)(nil),        // 16: roveapi.StatusRequest
+	(*Log)(nil),                  // 17: roveapi.Log
+	(*Vector)(nil),               // 18: roveapi.Vector
+	(*RoverSpecifications)(nil),  // 19: roveapi.RoverSpecifications
+	(*RoverStatus)(nil),          // 20: roveapi.RoverStatus
+	(*RoverReadings)(nil),        // 21: roveapi.RoverReadings
+	(*StatusResponse)(nil),       // 22: roveapi.StatusResponse
 }
 var file_roveapi_roveapi_proto_depIdxs = []int32{
-	8,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
+	9,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
 	0,  // 1: roveapi.Command.command:type_name -> roveapi.CommandType
 	1,  // 2: roveapi.Command.bearing:type_name -> roveapi.Bearing
-	8,  // 3: roveapi.CommandRequest.account:type_name -> roveapi.Account
-	10, // 4: roveapi.CommandRequest.commands:type_name -> roveapi.Command
-	8,  // 5: roveapi.RadarRequest.account:type_name -> roveapi.Account
-	3,  // 6: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
-	2,  // 7: roveapi.RadarResponse.objects:type_name -> roveapi.Object
-	8,  // 8: roveapi.StatusRequest.account:type_name -> roveapi.Account
-	1,  // 9: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
-	4,  // 10: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
-	10, // 11: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
-	17, // 12: roveapi.RoverReadings.position:type_name -> roveapi.Vector
-	1,  // 13: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
-	16, // 14: roveapi.RoverReadings.logs:type_name -> roveapi.Log
-	18, // 15: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
-	19, // 16: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
-	20, // 17: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
-	5,  // 18: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
-	7,  // 19: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
-	11, // 20: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
-	13, // 21: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
-	15, // 22: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
-	6,  // 23: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
-	9,  // 24: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
-	12, // 25: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
-	14, // 26: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
-	21, // 27: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
-	23, // [23:28] is the sub-list for method output_type
-	18, // [18:23] is the sub-list for method input_type
-	18, // [18:18] is the sub-list for extension type_name
-	18, // [18:18] is the sub-list for extension extendee
-	0,  // [0:18] is the sub-list for field type_name
+	2,  // 3: roveapi.Command.upgrade:type_name -> roveapi.RoverUpgrade
+	9,  // 4: roveapi.CommandRequest.account:type_name -> roveapi.Account
+	11, // 5: roveapi.CommandRequest.commands:type_name -> roveapi.Command
+	9,  // 6: roveapi.RadarRequest.account:type_name -> roveapi.Account
+	4,  // 7: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
+	3,  // 8: roveapi.RadarResponse.objects:type_name -> roveapi.Object
+	9,  // 9: roveapi.StatusRequest.account:type_name -> roveapi.Account
+	1,  // 10: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
+	5,  // 11: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
+	11, // 12: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
+	18, // 13: roveapi.RoverReadings.position:type_name -> roveapi.Vector
+	1,  // 14: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
+	17, // 15: roveapi.RoverReadings.logs:type_name -> roveapi.Log
+	19, // 16: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
+	20, // 17: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
+	21, // 18: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
+	6,  // 19: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
+	8,  // 20: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
+	12, // 21: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
+	14, // 22: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
+	16, // 23: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
+	7,  // 24: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
+	10, // 25: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
+	13, // 26: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
+	15, // 27: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
+	22, // 28: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
+	24, // [24:29] is the sub-list for method output_type
+	19, // [19:24] is the sub-list for method input_type
+	19, // [19:19] is the sub-list for extension type_name
+	19, // [19:19] is the sub-list for extension extendee
+	0,  // [0:19] is the sub-list for field type_name
 }
 
 func init() { file_roveapi_roveapi_proto_init() }
@@ -1855,7 +1937,7 @@ func file_roveapi_roveapi_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_roveapi_roveapi_proto_rawDesc,
-			NumEnums:      5,
+			NumEnums:      6,
 			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 9aad682..72a1fc2 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -89,22 +89,24 @@ message RegisterResponse {
 // CommandType defines the type of a command to give to the rover
 enum CommandType {
   none = 0;
-  // Toggles the sails, either catching the wind, or charging from the sun
-  toggle = 1;
-  // Turns the rover in the specified bearing (requires bearing)
-  turn = 2;
-  // Stashes item at current location in rover inventory
-  stash = 3;
-  // Repairs the rover using an inventory object
-  repair = 4;
-  // Broadcasts a message to nearby rovers (requires data)
-  broadcast = 5;
-  // Salvages a neighboring dormant rover for parts
-  salvage = 6;
-  // Transfers remote control into dormant rover
-  transfer = 7;
   // Waits before performing the next command
-  wait = 8;
+  wait = 1;
+  // Toggles the sails, either catching the wind, or charging from the sun
+  toggle = 2;
+  // Turns the rover in the specified bearing (requires bearing)
+  turn = 3;
+  // Stashes item at current location in rover inventory
+  stash = 4;
+  // Repairs the rover using an inventory object
+  repair = 5;
+  // Broadcasts a message to nearby rovers (requires data)
+  broadcast = 6;
+  // Salvages a neighboring dormant rover for parts
+  salvage = 7;
+  // Transfers remote control into dormant rover
+  transfer = 8;
+  // Upgrades a chosen rover specification using 5 rover parts
+  upgrade = 9;
 }
 
 // Bearing represents a compass direction
@@ -121,6 +123,15 @@ enum Bearing {
   NorthWest = 8;
 }
 
+// Describes the type of upgrade
+enum RoverUpgrade {
+  RoverUpgradeUnknown = 0;
+  Range = 1;
+  Capacity = 2;
+  MaximumIntegrity = 3;
+  MaximumCharge = 4;
+}
+
 // Command is a single command for a rover
 message Command {
   // The command type
@@ -135,6 +146,9 @@ message Command {
 
   // move - the bearing for the rover to turn to
   Bearing bearing = 4;
+
+  // upgrade - the upgrade to apply to the rover
+  RoverUpgrade upgrade = 5;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover