diff --git a/configure.ac b/configure.ac
index 65d8ca5..0cfe584 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@
 
 AC_PREREQ(2.68)
 
-AC_INIT([kmscon], [3])
+AC_INIT([kmscon], [4])
 AC_SUBST(PACKAGE_URL, [https://github.com/dvdhrm/kmscon])
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_AUX_DIR([build-aux])