diff --git a/Makefile b/Makefile
index 05c2ebf2885..ac8ee8ed30a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 31
-EXTRAVERSION = .12
+EXTRAVERSION = .13
 NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*