diff --git a/README.md b/README.md
index c65de9b9..122c2746 100644
--- a/README.md
+++ b/README.md
@@ -8,21 +8,28 @@ This Java client helps connecting to an ACME server, and performing all necessar
 
 It is an independent open source implementation that is not affiliated with or endorsed by _Let's Encrypt_.
 
-## Work in Progress!
-
-In this branch, the latest draft of the ACME protocol is being implemented. It is not meant for production. There are no servers that fully support this draft at the moment.
-
-Use the [master branch](https://github.com/shred/acme4j/tree/master) for production purposes.
-
 ## Features
 
-* Supports ACME protocol up to [draft 04](https://tools.ietf.org/html/draft-ietf-acme-acme-04)
+* Supports ACME protocol up to [draft 06](https://tools.ietf.org/html/draft-ietf-acme-acme-06)
 * Easy to use Java API
 * Requires JRE 8 or higher
 * Built with maven, packages available at [Maven Central](http://search.maven.org/#search|ga|1|g%3A%22org.shredzone.acme4j%22)
 * Small, only requires [jose4j](https://bitbucket.org/b_c/jose4j/wiki/Home) and [slf4j](http://www.slf4j.org/) as dependencies
 * Extensive unit tests
 
+## Current Status
+
+In this branch, the latest draft of the ACME protocol is being implemented. It is not meant for production. There are no servers that fully support this draft at the moment.
+
+Use the [master branch](https://github.com/shred/acme4j/tree/master) for production purposes.
+
+Known issues:
+
+* Documentation is incomplete and partially outdated
+* The API is subject to change
+* The example is not functional at the moment
+* Integration tests do not fully cover all functions
+
 ## Usage
 
 * See the [online documentation](https://shredzone.org/maven/acme4j/) about how to use _acme4j_.