diff --git a/webhook.go b/webhook.go
index 63531d3..d5d41a1 100644
--- a/webhook.go
+++ b/webhook.go
@@ -73,8 +73,8 @@ func (w *webhooks) List(ctx context.Context, options WebhookListOptions) (*Webho
 type Event string
 
 const (
-	EventWorkflowCompleted = "workflow-completed"
-	EventJobCompleted      = "job-completed"
+	EventWorkflowCompleted Event = "workflow-completed"
+	EventJobCompleted      Event = "job-completed"
 )
 
 type WebhookCreateOptions struct {
diff --git a/webhook_test.go b/webhook_test.go
index ab684e6..e05b082 100644
--- a/webhook_test.go
+++ b/webhook_test.go
@@ -69,7 +69,7 @@ func Test_webhooks_Create(t *testing.T) {
 			ID:   "123",
 			Type: "project",
 		},
-		Events:    []*Event{EventType("workflow-completed")},
+		Events:    []*Event{EventType(EventWorkflowCompleted)},
 		VerifyTLS: Bool(false),
 	})
 	if err != nil {