diff --git a/internal/app/service_provider.go b/internal/app/service_provider.go
index 8d98af7..09459c4 100644
--- a/internal/app/service_provider.go
+++ b/internal/app/service_provider.go
@@ -24,9 +24,9 @@ func newServiceProvider() *serviceProvider {
 	return &serviceProvider{}
 }
 
-func (s *serviceProvider) ChatService(_ context.Context) chatService.Service {
+func (s *serviceProvider) ChatService(ctx context.Context) chatService.Service {
 	if s.chatService == nil {
-		s.chatService = chatService.NewService()
+		s.chatService = chatService.NewService(s.AuthClient(ctx))
 	}
 
 	return s.chatService
diff --git a/internal/service/chat/service.go b/internal/service/chat/service.go
index 3213fdc..dd1c5c7 100644
--- a/internal/service/chat/service.go
+++ b/internal/service/chat/service.go
@@ -1,13 +1,18 @@
 package chat
 
+import authClient "github.com/satanaroom/chat_server/internal/clients/grpc/auth"
+
 var _ Service = (*service)(nil)
 
 type Service interface {
 }
 
 type service struct {
+	authClient authClient.Client
 }
 
-func NewService() *service {
-	return &service{}
+func NewService(authClient authClient.Client) *service {
+	return &service{
+		authClient: authClient,
+	}
 }