diff --git a/docs/docs/API-docs/opensign.yaml b/docs/docs/API-docs/opensign.yaml
index 3def9d328..f5a9db2b4 100644
--- a/docs/docs/API-docs/opensign.yaml
+++ b/docs/docs/API-docs/opensign.yaml
@@ -15,7 +15,7 @@ externalDocs:
   url: http://docs.opensignlabs.com
 servers:
 - url: https://app.opensignlabs.com/api/v1
-- url: https://staging-app.opensignlabs.com/api/v1
+- url: https://sandbox.opensignlabs.com/api/v1
 tags:
 - name: OpenSign
   description: OpenSource DocuSign alternative