diff --git a/include/patchlevel.h b/include/patchlevel.h
index e21e61583..92fc31d2a 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -13,7 +13,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	30
+#define EDITLEVEL	31
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2006"