dnl The triplet
m4_define([atk_major_version], [1])
-m4_define([atk_minor_version], [12])
-m4_define([atk_micro_version], [4])
+m4_define([atk_minor_version], [13])
+m4_define([atk_micro_version], [0])
m4_define([atk_version],
[atk_major_version.atk_minor_version.atk_micro_version])