diff --git a/CHANGES.rst b/CHANGES.rst
index 984d04b..4a76054 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,13 @@
 Changelog
 =========
 
-Version 0.9.0 [unreleased]
+Version 0.9.0 [28-07-2020]
 --------------------------
 
-WIP
+- **Backward incompatible change for OpenVPN Parser**:
+  switched to use common name as netjson ID to avoid duplicate nodes when
+  multiple nodes are behind the same public IP, for more information
+  see `Specialized features: OpenVPN <https://github.com/openwisp/netdiff#openvpn>`_
 
 Version 0.8.0 [28-06-2020]
 --------------------------
diff --git a/netdiff/info.py b/netdiff/info.py
index 371305a..dde9514 100644
--- a/netdiff/info.py
+++ b/netdiff/info.py
@@ -1,4 +1,4 @@
-VERSION = (0, 9, 0, 'alpha')
+VERSION = (0, 9, 0, 'final')
 __version__ = VERSION