diff --git a/NEWS b/NEWS
index 805a0347..1eea5cc5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Notmuch 0.23 (UNRELEASED)
+Notmuch 0.23 (2016-10-03)
 =========================
 
 General (Xapian 1.4+)
diff --git a/bindings/python/notmuch/version.py b/bindings/python/notmuch/version.py
index 3e54cc24..b6cd0729 100644
--- a/bindings/python/notmuch/version.py
+++ b/bindings/python/notmuch/version.py
@@ -1,3 +1,3 @@
 # this file should be kept in sync with ../../../version
-__VERSION__ = '0.23~rc1'
+__VERSION__ = '0.23'
 SOVERSION = '4'
diff --git a/debian/changelog b/debian/changelog
index 741bdd36..ed181eca 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+notmuch (0.23-1) experimental; urgency=medium
+
+  * New upstream release
+  * Bump minor version of libnotmuch4 because of new symbols.
+  * Several new features, see /usr/share/doc/notmuch/NEWS.gz
+
+ -- David Bremner <bremner@debian.org>  Mon, 03 Oct 2016 22:46:26 -0300
+
 notmuch (0.23~rc1-1) experimental; urgency=medium
 
   * New upstream release candidate
diff --git a/version b/version
index 866fd80c..39010d22 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.23~rc1
+0.23