diff --git a/dat/.gitignore b/dat/.gitignore
index 6cdbe532d..748a8ffe1 100644
--- a/dat/.gitignore
+++ b/dat/.gitignore
@@ -23,3 +23,5 @@ dlb.lst
 guioptions
 porthelp
 NetHack.ad
+gitinfo.txt
+
diff --git a/include/patchlevel.h b/include/patchlevel.h
index 0d2828ffc..daa0234e0 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -15,7 +15,7 @@
  */
 #define EDITLEVEL 0
 
-#define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2016"
+#define COPYRIGHT_BANNER_A "NetHack, Copyright 1985-2018"
 #define COPYRIGHT_BANNER_B \
     "         By Stichting Mathematisch Centrum and M. Stephenson."
 /* COPYRIGHT_BANNER_C is generated by makedefs into date.h */