diff --git a/NEWS b/NEWS
index 79fe57f4..bd5e0164 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-* Version 0.9.0 (unreleased)
+* Version 0.9.0 (released 2021-01-20)
  ** Server: Attestation is now done in two parts (to align better with the spec):
     First, type-specific validation is done to provide a trust chain.
     Second, validation of the trust chain is done.
diff --git a/README.adoc b/README.adoc
index 6ca9c23b..bc14e376 100644
--- a/README.adoc
+++ b/README.adoc
@@ -7,6 +7,10 @@ well as verifying attestation and assertion signatures.
 
 WARNING: This project is in beta. Expect things to change or break at any time!
 
+WARNING: Version 0.9 is the last planned version of this library which will
+support Python 2. The next major version planned is 1.0, which will require
+Python 3 or later.
+
 This library aims to support the FIDO U2F and FIDO 2.0 protocols for
 communicating with a USB authenticator via the Client-to-Authenticator Protocol
 (CTAP 1 and 2). In addition to this low-level device access, classes defined in
diff --git a/RELEASE.adoc b/RELEASE.adoc
index b3f2143b..a42af10d 100644
--- a/RELEASE.adoc
+++ b/RELEASE.adoc
@@ -5,6 +5,7 @@
 
 * Update the version in fido/__init__.py and make sure the NEWS file has an
   entry for it, and the correct release date.
+* Update the debian/changelog file with the correct version.
 * Commit the changes, and push the new branch.
 
   $ git push -u origin release/x.y.z
@@ -44,6 +45,10 @@
 
   __version__ = 'x.y.q-dev0'
 
+* Bump the version in debian/changelog by appending `+git` to it.
+
+  (x.y.q+git)
+
 * Commit and push the change:
 
   $ git commit -a -m "Bump version." && git push
diff --git a/debian/changelog b/debian/changelog
index 176cc967..dee8ded5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,5 @@
-python-fido2 (0.8.1+git) xenial; urgency=low
+python-fido2 (0.9.0) xenial; urgency=low
 
   * Build for ppa
 
- -- Dain Nilsson <dain@yubico.com>  Mon, 25 Nov 2019 13:07:14 +0100
+ -- Dain Nilsson <dain@yubico.com>  Wed, 20 Jan 2021 10:41:13 +0100
diff --git a/fido2/__init__.py b/fido2/__init__.py
index feecb4b1..c98817fd 100644
--- a/fido2/__init__.py
+++ b/fido2/__init__.py
@@ -38,4 +38,4 @@ class ABC(object):
     abc.ABC = ABC
 
 
-__version__ = "0.9.0-dev0"
+__version__ = "0.9.0"