diff --git a/operation.go b/operation.go
index fc5091f4..0108a6f1 100644
--- a/operation.go
+++ b/operation.go
@@ -56,6 +56,7 @@ type Operation struct {
 	responses          []Response
 	maxBodyBytes       int64
 	bodyReadTimeout    time.Duration
+	deprecated         bool
 }
 
 func newOperation(resource *Resource, method, id, docs string, responses []Response) *Operation {
@@ -72,6 +73,7 @@ func newOperation(resource *Resource, method, id, docs string, responses []Respo
 		maxBodyBytes: 1024 * 1024,
 		// 15 second timeout by default
 		bodyReadTimeout: resource.router.defaultBodyReadTimeout,
+		deprecated:      false,
 	}
 }
 
@@ -85,6 +87,9 @@ func (o *Operation) toOpenAPI(components *oaComponents) *gabs.Container {
 	if o.description != "" {
 		doc.Set(o.description, "description")
 	}
+	if o.deprecated {
+		doc.Set(o.deprecated, "deprecated")
+	}
 
 	// Request params
 	for _, param := range o.params {
@@ -188,6 +193,12 @@ func (o *Operation) RequestSchema(s *schema.Schema) {
 	o.RequestSchemaForContentType("application/json", s)
 }
 
+// Deprecated marks the operation is deprecated, warning consumers should
+// refrain from using this.
+func (o *Operation) Deprecated() {
+	o.deprecated = true
+}
+
 func (o *Operation) RequestSchemaForContentType(ct string, s *schema.Schema) {
 	if o.requests[ct] == nil {
 		o.requests[ct] = &request{}
diff --git a/operation_test.go b/operation_test.go
new file mode 100644
index 00000000..1cffa54f
--- /dev/null
+++ b/operation_test.go
@@ -0,0 +1,22 @@
+package huma
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOperation(t *testing.T) {
+	op := Operation{}
+
+	assert.Equal(t, op.toOpenAPI(&oaComponents{}).Data(), map[string]interface{}{
+		"operationId": "",
+	})
+}
+
+func TestDeprecatedOperation(t *testing.T) {
+	op := Operation{}
+	op.Deprecated()
+
+	assert.Contains(t, op.toOpenAPI(&oaComponents{}).Data(), "deprecated")
+}