diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 85916548a..5cd0babee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -230,6 +230,14 @@ jobs:
         sudo chmod +x /usr/bin/crun
         echo "New crun version: "$(crun --version)
 
+    - name: Reduce ASLR entropy
+      if:   matrix.cfg.sanitizers != ''
+      # Asan in llvm 14 provided in ubuntu-22.04 is incompatible with
+      # high-entropy ASLR configured in much newer kernels that GitHub
+      # runners are using leading to random crashes:
+      #   https://github.com/actions/runner-images/issues/9491
+      run: sudo sysctl -w vm.mmap_rnd_bits=28
+
     - name: load image
       run: |
         sudo podman load -i /tmp/image.tar
diff --git a/NEWS b/NEWS
index 31c069aea..97e1c41d5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+OVN v23.09.4 - xx xxx xxxx
+--------------------------
+
 OVN v23.09.3 - 12 Mar 2024
 --------------------------
   - Bug fixes
diff --git a/configure.ac b/configure.ac
index 090a29a15..c71ade236 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 AC_PREREQ(2.63)
-AC_INIT(ovn, 23.09.3, bugs@openvswitch.org)
+AC_INIT(ovn, 23.09.4, 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 bbce8a3cb..4f2fabdd7 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+OVN (23.09.4-1) unstable; urgency=low
+   [ OVN team ]
+   * New upstream version
+
+ -- OVN team <dev@openvswitch.org>  Tue, 12 Mar 2024 08:35:34 -0400
+
 OVN (23.09.3-1) unstable; urgency=low
    [ OVN team ]
    * New upstream version