diff --git a/readme.md b/readme.md
index 646efea..8bf3a96 100644
--- a/readme.md
+++ b/readme.md
@@ -7,6 +7,8 @@ Install and configure [Zot](https://zotregistry.dev/) - an OCI-native container
 | Variable | Required | Default | Description |
 |----------|----------|---------|-------------|
 | `zot_version` | No | `2.1.16` | Zot release version to install |
+| `zot_cve_scanning` | No | `false` | Enable CVE scanning of images |
+| `zot_sync_credentials` | No | undefined | List of sync registry credentials (name, registry, username, password) to avoid rate limits |
 
 ## Configuration