diff --git a/README.md b/README.md
index de29fac..6afe58a 100644
--- a/README.md
+++ b/README.md
@@ -38,9 +38,9 @@ The action supports the following parameters:
 | `secret`                 |                       | Cimon secret for authentication                                                                                                                                                                                                                                                                                                                                           |
 | `url`                    |                       | Cimon endpoint for authentication                                                                                                                                                                                                                                                                                                                                         |
 | `prevent`                | `false`               | Enable prevention mode                                                                                                                                                                                                                                                                                                                                                    |
-| `allowed-ips`            |                       | A comma or white space separated list of allowed IP addresses                                                                                                                                                                                                                                                                                                             |
-| `allowed-hosts`          |                       | A comma or white space separated list of allowed domain names. The left-most label can be the wildcard character (`*`) to match multiple subdomains (e.g. `*.example.com`).                                                                                                                                                                                               |
-| `ignored-ip-nets`        |                       | A comma or white space separated list of ignored IP networks in CIDR notation, e.g. 10.0.0.0/8, 172.16.0.0/12. This setting is mandatory if your workflow runs containers attached to a custom network with configured sub-range. In other words, inter-container networking is usually ignored by Cimon. Cimon implicitly ignores 10.0.0.0/8 and 172.16.0.0/12 networks. |
+| `allowed-ips`            |                       | A comma or white space separated list of allowed IP addresses (IPv4 or IPv6, e.g. `8.8.8.8, 2606:4700::1111`).                                                                                                                                                                                                                                                            |
+| `allowed-hosts`          |                       | A comma or white space separated list of allowed domain names. The left-most label can be the wildcard character (`*`) to match multiple subdomains (e.g. `*.example.com`). Both A (IPv4) and AAAA (IPv6) DNS answers for the host are honored (since cimon `v1.0.18`).                                                                                                   |
+| `ignored-ip-nets`        |                       | A comma or white space separated list of ignored IP networks in CIDR notation (IPv4 or IPv6, e.g. `10.0.0.0/8, 172.16.0.0/12, fc00::/7`). This setting is mandatory if your workflow runs containers attached to a custom network with configured sub-range. In other words, inter-container networking is usually ignored by Cimon. Cimon implicitly ignores 10.0.0.0/8 and 172.16.0.0/12 networks. |
 | `github-token`           | `${{ github.token }}` | GitHub token (used to overcome GitHub rate limiting)                                                                                                                                                                                                                                                                                                                      |
 | `report-job-summary`     | `true`                | Report results through job summary output                                                                                                                                                                                                                                                                                                                                 |
 | `report-process-tree`    | `false`               | Enable to report the process tree                                                                                                                                                                                                                                                                                                                                         |