diff --git a/NEWS b/NEWS
index 4e9f823903..005afabb10 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+Post v23.09.0
+-------------
+
 OVN v23.09.0 - xx xxx xxxx
 ----------------------------
   - Added FDB aging mechanism, that is disabled by default.
diff --git a/configure.ac b/configure.ac
index ab404b9597..e8a5edbb25 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 AC_PREREQ(2.63)
-AC_INIT(ovn, 23.09.0, bugs@openvswitch.org)
+AC_INIT(ovn, 23.09.90, bugs@openvswitch.org)
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
diff --git a/debian/changelog b/debian/changelog
index a6367bd972..e5006d1773 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ovn (23.09.90-1) unstable; urgency=low
+
+   * New upstream version
+
+ -- OVN team <dev@openvswitch.org>  Fri, 01 Sep 2023 12:14:56 -0400
+
 ovn (23.09.0-1) unstable; urgency=low
 
    * New upstream version