diff --git a/README.md b/README.md
index 1bb903f0..55c67009 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This Java client helps connecting to an ACME server, and performing all necessar
 * Supports [RFC 8739](https://tools.ietf.org/html/rfc8739) short-term automatic certificate renewal (experimental)
 * Supports [RFC 8823](https://tools.ietf.org/html/rfc8823) for S/MIME certificates (experimental)
 * Supports [RFC 9444](https://tools.ietf.org/html/rfc9444) for subdomain validation
-* Supports [draft-ietf-acme-ari-05](https://www.ietf.org/archive/id/draft-ietf-acme-ari-05.html) for renewal information (experimental)
+* Supports [draft-ietf-acme-ari-06](https://www.ietf.org/archive/id/draft-ietf-acme-ari-06.html) for renewal information (experimental)
 * Easy to use Java API
 * Requires JRE 11 or higher
 * Supports [Buypass](https://buypass.com/), [Google Trust Services](https://pki.goog/), [Let's Encrypt](https://letsencrypt.org/), [SSL.com](https://www.ssl.com/), [ZeroSSL](https://zerossl.com/), and all other CAs that comply with the ACME protocol (RFC 8555). Note that _acme4j_ is an independent project that is not supported or endorsed by any of the CAs.
diff --git a/src/doc/docs/index.md b/src/doc/docs/index.md
index 4c6e80fb..8e416cbb 100644
--- a/src/doc/docs/index.md
+++ b/src/doc/docs/index.md
@@ -19,7 +19,7 @@ Latest version: ![maven central](https://shredzone.org/maven-central/org.shredzo
 * Supports [RFC 8739](https://tools.ietf.org/html/rfc8739) short-term automatic certificate renewal (experimental)
 * Supports [RFC 8823](https://tools.ietf.org/html/rfc8823) for S/MIME certificates (experimental)
 * Supports [RFC 9444](https://tools.ietf.org/html/rfc9444) for subdomain validation
-* Supports [draft-ietf-acme-ari-05](https://www.ietf.org/archive/id/draft-ietf-acme-ari-05.html) for renewal information (experimental)
+* Supports [draft-ietf-acme-ari-06](https://www.ietf.org/archive/id/draft-ietf-acme-ari-06.html) for renewal information (experimental)
 * Easy to use Java API
 * Requires JRE 11 or higher
 * Supports [Buypass](https://buypass.com/), [Google Trust Services](https://pki.goog/), [Let's Encrypt](https://letsencrypt.org/), [SSL.com](https://www.ssl.com/), [ZeroSSL](https://zerossl.com/), and all other CAs that comply with the ACME protocol (RFC 8555). Note that _acme4j_ is an independent project that is not supported or endorsed by any of the CAs.
diff --git a/src/doc/docs/usage/renewal.md b/src/doc/docs/usage/renewal.md
index 204e19f3..6024880e 100644
--- a/src/doc/docs/usage/renewal.md
+++ b/src/doc/docs/usage/renewal.md
@@ -13,7 +13,7 @@ There is no special path for renewing a certificate. To renew it, just [order](o
 
 ## Renewal Information
 
-_acme4j_ supports the [draft-ietf-acme-ari-05](https://www.ietf.org/archive/id/draft-ietf-acme-ari-05.html) draft.
+_acme4j_ supports the [draft-ietf-acme-ari-06](https://www.ietf.org/archive/id/draft-ietf-acme-ari-06.html) draft.
 
 You can check if the CA offers renewal information by invoking `Certificate.hasRenewalInfo()`. If it does, you can get a suggested time window for certificate nenewal by invoking `Certificate.getRenewalInfo()`.