diff --git a/README.md b/README.md
index 0960ed2..4d9afad 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,9 @@
 [![cover ≥90.0%](https://github.com/veraison/ar4si/actions/workflows/ci-go-cover.yml/badge.svg?branch=main)](https://github.com/veraison/ar4si/actions/workflows/ci-go-cover.yml)
 
 The `ar4si` package provides a golang API for working with EAR (EAT Attesation Result), an EAT/JWT serialisation of the [Attestation Result for Secure Interactions (AR4SI)](https://datatracker.ietf.org/doc/draft-ietf-rats-ar4si/) information model.
+
+A command line interface utility ([`arc`](arc/README.md)) is also provided to create, verify and display EAR attestation result payloads. To install it:
+
+```sh
+go install github.com/veraison/ar4si/arc@latest
+```