diff --git a/include/patchlevel.h b/include/patchlevel.h
index acc3b457e..3869fbe32 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -14,7 +14,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL 14
+#define EDITLEVEL 15
 
 #define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2020"
 #define COPYRIGHT_BANNER_B \