diff --git a/include/patchlevel.h b/include/patchlevel.h
index cf3b55852..1be0e6e05 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -1,4 +1,4 @@
-/*	SCCS Id: @(#)patchlevel.h	3.5	2005/01/02	*/
+/*	SCCS Id: @(#)patchlevel.h	3.5	2005/01/22	*/
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -13,7 +13,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	19
+#define EDITLEVEL	20
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2005"