diff --git a/Dockerfile.artifact b/Dockerfile.artifact
index c147558..6091c75 100644
--- a/Dockerfile.artifact
+++ b/Dockerfile.artifact
@@ -6,7 +6,7 @@
 #   -f Dockerfile.artifact .
 
 ARG LIBSLIRP_COMMIT=v4.7.0
-ARG UBUNTU_VERSION=jammy-20230804
+ARG UBUNTU_VERSION=jammy-20240125
 ARG XX_VERSION=1.2.1@sha256:8879a398dedf0aadaacfbd332b29ff2f84bc39ae6d4e9c0a1109db27ac5ba012
 ARG REPRO_SOURCES_LIST_VERSION=v0.1.0
 
diff --git a/configure.ac b/configure.ac
index 362e2d3..c1b3276 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-AC_INIT([slirp4netns], [1.2.2+dev], [https://github.com/rootless-containers/slirp4netns/issues])
+AC_INIT([slirp4netns], [1.2.3+dev], [https://github.com/rootless-containers/slirp4netns/issues])
 AC_CONFIG_SRCDIR([main.c])
 AC_CONFIG_HEADERS([config.h])