diff --git a/configure.ac b/configure.ac
index 5dc6695..6d7bdc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.61])
 
-AC_INIT([fsmlite], [0.5.2], [tkemmer@computer.org])
+AC_INIT([fsmlite], [0.6.0], [tkemmer@computer.org])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_LANG([C++])