diff --git a/internal/zero/connect-mux/service.go b/internal/zero/connect-mux/service.go
index 987835e71..9c5abc564 100644
--- a/internal/zero/connect-mux/service.go
+++ b/internal/zero/connect-mux/service.go
@@ -5,11 +5,13 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"os"
 	"sync/atomic"
 
 	"github.com/cenkalti/backoff/v4"
 	"github.com/rs/zerolog/log"
 
+	"github.com/pomerium/pomerium/internal/version"
 	"github.com/pomerium/pomerium/internal/zero/apierror"
 	"github.com/pomerium/pomerium/pkg/fanout"
 	"github.com/pomerium/pomerium/pkg/health"
@@ -69,7 +71,14 @@ func (svc *Mux) subscribeAndDispatch(ctx context.Context, onConnected func()) (e
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	stream, err := svc.client.Subscribe(ctx, &connect.SubscribeRequest{})
+	hostname, err := os.Hostname()
+	if err != nil {
+		hostname = "__unknown__"
+	}
+	stream, err := svc.client.Subscribe(ctx, &connect.SubscribeRequest{
+		Hostname: hostname,
+		Version:  version.FullVersion(),
+	})
 	if err != nil {
 		return fmt.Errorf("subscribe: %w", err)
 	}
diff --git a/pkg/zero/connect/connect.pb.go b/pkg/zero/connect/connect.pb.go
index f4b02144a..7f96e31ea 100644
--- a/pkg/zero/connect/connect.pb.go
+++ b/pkg/zero/connect/connect.pb.go
@@ -29,6 +29,9 @@ type SubscribeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
+
+	Hostname string `protobuf:"bytes,1,opt,name=hostname,proto3" json:"hostname,omitempty"`
+	Version  string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
 }
 
 func (x *SubscribeRequest) Reset() {
@@ -63,6 +66,20 @@ func (*SubscribeRequest) Descriptor() ([]byte, []int) {
 	return file_connect_proto_rawDescGZIP(), []int{0}
 }
 
+func (x *SubscribeRequest) GetHostname() string {
+	if x != nil {
+		return x.Hostname
+	}
+	return ""
+}
+
+func (x *SubscribeRequest) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
 // Message is an aggregate of all possible messages that can be sent
 // from the cloud to the core in managed mode.
 type Message struct {
@@ -469,70 +486,74 @@ var File_connect_proto protoreflect.FileDescriptor
 
 var file_connect_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/pkg/zero/connect/connect.proto b/pkg/zero/connect/connect.proto
index 9c53d01fd..47059c234 100644
--- a/pkg/zero/connect/connect.proto
+++ b/pkg/zero/connect/connect.proto
@@ -8,7 +8,10 @@ option go_package = "github.com/pomerium/pomerium/pkg/zero/connect";
 //
 // The Authorization: Bearer header must contain a valid token,
 // that belongs to a cluster identity with appropriate claims set.
-message SubscribeRequest {}
+message SubscribeRequest {
+  string hostname = 1;
+  string version = 2;
+}
 
 // Message is an aggregate of all possible messages that can be sent
 // from the cloud to the core in managed mode.