Bump up version number.
diff --git a/configure.in b/configure.in
index 3d57626..d97ede1 100644
--- a/configure.in
+++ b/configure.in
@@ -6,7 +6,7 @@
 
 # Set VERSION so we only need to edit in one place (i.e., here)
 AC_SUBST(VERSION)
-VERSION=2.0
+VERSION=2.1
 
 # NEXTSTEP|MacOSX|Darwin stuff
 if test -f /usr/lib/NextStep/software_version -o -f /System/Library/CoreServices/software_version ; then