diff --git a/NEWS b/NEWS
index bf61818..cbcb831 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,12 @@
 
 portage-2.3.0
 -----------------
+* Support News-Item-Format 2.0
+* emerge: add --fuzzy-search and --search-similarity
+* Add emerge --autounmask-continue option
+
+portage-2.3.0
+-----------------
 * Final release
 * Includes numerous bugfixes
 
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 4b11a11..2016b03 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -1,6 +1,30 @@
 Release Notes; upgrade information mainly.
 Features/major bugfixes are listed in NEWS
 
+portage-2.3.1
+==================================
+* Bug Fixes:
+    - Bug 587198 chpathtool.py: fix byte comparison logic for python3
+    - Bug 584626 Add a unit test which reproduces the bug and
+                 depgraph: fix missed llvm update
+    - Bug 582624 Add emerge --autounmask-continue option
+    - Bug 568934 portage.cache: write md5 instead of mtime
+    - Bug 552814 GitSync.update: respect sync-depth
+                 use git reset --merge instead of --hard
+    - Bug 477727 flat_hash: use mkstemp in _setitem
+    - Bug 590514 depgraph._serialize_tasks: improve runtime cycle handling
+    - Bug 65566  emerge: add --fuzzy-search and --search-similarity
+    - Bug 425554 Scheduler._terminate_tasks: purge _running_tasks
+    - Bug 591760 EventLoop: add run_until_complete method
+    - Bug 584328 config.environ: handle missing ctypes for check_locale
+                 locale.py: fix decoding for python2 plus some locales
+                 locale.py: add a C module to help check locale
+    - Bug 577372 Support News-Item-Format 2.0
+    - Bug 594284 writeable_check: handle/warn about invalid entries in
+                 /proc/self/mountinfo
+    - selinux: fix crash for invalid context
+
+
 portage-2.3.0
 ==================================
 * Bug Fixes:
diff --git a/setup.py b/setup.py
index d37ab29..e900aaa 100755
--- a/setup.py
+++ b/setup.py
@@ -626,7 +626,7 @@
 
 setup(
 	name = 'portage',
-	version = '2.3.0',
+	version = '2.3.1',
 	url = 'https://wiki.gentoo.org/wiki/Project:Portage',
 	author = 'Gentoo Portage Development Team',
 	author_email = 'dev-portage@gentoo.org',