diff --git a/go.mod b/go.mod
index db0acce..593a464 100644
--- a/go.mod
+++ b/go.mod
@@ -4,11 +4,7 @@ go 1.20
 
 require (
 	github.com/opentracing/opentracing-go v1.2.0
-	go.unistack.org/micro/v4 v4.0.1
+	go.unistack.org/micro/v4 v4.0.5
 )
 
-require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/stretchr/testify v1.5.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-)
+require github.com/stretchr/testify v1.8.3 // indirect
diff --git a/go.sum b/go.sum
index 9736e47..a040498 100644
--- a/go.sum
+++ b/go.sum
@@ -1,17 +1,15 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
 github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYrxe9dPLANfrWvHYVTgc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
+github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
 go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+go.unistack.org/micro/v4 v4.0.5 h1:uacmV8yHjCOtVfECc4w1tgp6bd3bBWrZa8X4iQLk48g=
+go.unistack.org/micro/v4 v4.0.5/go.mod h1:bVEYTlPi0EsdgZZt311bIroDg9ict7ky3C87dSCCAGk=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/opentracing.go b/opentracing.go
index c3b0770..94f57fe 100644
--- a/opentracing.go
+++ b/opentracing.go
@@ -7,6 +7,7 @@ import (
 	"github.com/opentracing/opentracing-go"
 	"github.com/opentracing/opentracing-go/log"
 	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/options"
 	"go.unistack.org/micro/v4/tracer"
 )
 
@@ -21,7 +22,11 @@ func (ot *otTracer) Name() string {
 	return ot.opts.Name
 }
 
-func (ot *otTracer) Init(opts ...tracer.Option) error {
+func (ot *otTracer) Flush(ctx context.Context) error {
+	return nil
+}
+
+func (ot *otTracer) Init(opts ...options.Option) error {
 	for _, o := range opts {
 		o(&ot.opts)
 	}
@@ -35,7 +40,7 @@ func (ot *otTracer) Init(opts ...tracer.Option) error {
 	return nil
 }
 
-func (ot *otTracer) Start(ctx context.Context, name string, opts ...tracer.SpanOption) (context.Context, tracer.Span) {
+func (ot *otTracer) Start(ctx context.Context, name string, opts ...options.Option) (context.Context, tracer.Span) {
 	options := tracer.NewSpanOptions(opts...)
 	var span opentracing.Span
 	switch options.Kind {
@@ -73,14 +78,14 @@ func (os *otSpan) Tracer() tracer.Tracer {
 	return &otTracer{tracer: os.span.Tracer()}
 }
 
-func (os *otSpan) Finish(opts ...tracer.SpanOption) {
+func (os *otSpan) Finish(opts ...options.Option) {
 	if len(os.opts.Labels) > 0 {
 		os.span.LogKV(os.opts.Labels...)
 	}
 	os.span.Finish()
 }
 
-func (os *otSpan) AddEvent(name string, opts ...tracer.EventOption) {
+func (os *otSpan) AddEvent(name string, opts ...options.Option) {
 	os.span.LogFields(log.Event(name))
 }
 
@@ -104,7 +109,7 @@ func (os *otSpan) AddLabels(labels ...interface{}) {
 	os.opts.Labels = append(os.opts.Labels, labels...)
 }
 
-func NewTracer(opts ...tracer.Option) *otTracer {
+func NewTracer(opts ...options.Option) *otTracer {
 	options := tracer.NewOptions(opts...)
 	return &otTracer{opts: options}
 }
diff --git a/options.go b/options.go
index b8ffae8..dd233a7 100644
--- a/options.go
+++ b/options.go
@@ -2,11 +2,11 @@ package opentracing
 
 import (
 	"github.com/opentracing/opentracing-go"
-	"go.unistack.org/micro/v4/tracer"
+	"go.unistack.org/micro/v4/options"
 )
 
 type tracerKey struct{}
 
-func Tracer(ot opentracing.Tracer) tracer.Option {
-	return tracer.SetOption(tracerKey{}, ot)
+func Tracer(ot opentracing.Tracer) options.Option {
+	return options.ContextOption(tracerKey{}, ot)
 }