diff --git a/tracer/noop.go b/tracer/noop.go
index 13a2e0c7..c0defe68 100644
--- a/tracer/noop.go
+++ b/tracer/noop.go
@@ -60,6 +60,10 @@ func (s *noopSpan) SetLabels(labels ...interface{}) {
 	s.opts.Labels = labels
 }
 
+func (s *noopSpan) AddLabels(labels ...interface{}) {
+	s.opts.Labels = append(s.opts.Labels, labels...)
+}
+
 // NewTracer returns new memory tracer
 func NewTracer(opts ...Option) Tracer {
 	return &noopTracer{
diff --git a/tracer/tracer.go b/tracer/tracer.go
index 7d6ea856..79554502 100644
--- a/tracer/tracer.go
+++ b/tracer/tracer.go
@@ -31,4 +31,6 @@ type Span interface {
 	SetName(name string)
 	// SetLabels set the span labels
 	SetLabels(labels ...interface{})
+	// AddLabels append the span labels
+	AddLabels(labels ...interface{})
 }