diff --git a/notifications/webhook.go b/notifications/webhook.go
index 34274c3..8f166eb 100644
--- a/notifications/webhook.go
+++ b/notifications/webhook.go
@@ -49,6 +49,8 @@ func (w WebhookNotification) Notify(ctx context.Context, notification Notificati
 		return fmt.Errorf("WebhookNotification::NotifyWithLog error creating request: %w", err)
 	}
 
+	req.Header.Set("Content-Type", "application/json")
+
 	resp, err := w.client.Do(req)
 	if err != nil {
 		return fmt.Errorf("WebhookNotification::NotifyWithLog error while sending notification: %w", err)