diff --git a/configure.ac b/configure.ac
index ad3dbc2..5ca16bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-AC_INIT([slirp4netns], [1.1.8+dev], [https://github.com/rootless-containers/slirp4netns/issues])
+AC_INIT([slirp4netns], [1.1.9+dev], [https://github.com/rootless-containers/slirp4netns/issues])
 AC_CONFIG_SRCDIR([main.c])
 AC_CONFIG_HEADERS([config.h])