diff --git a/src/configure.ac b/src/configure.ac
index abc480c40..df569d8dc 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1,10 +1,10 @@
 dnl Run autoconf to generate configure from this file
 
-AC_INIT([GF],[2.0],[aarne@cs.chalmers.se],[GF])
+AC_INIT([GF],[2.1b],[aarne@cs.chalmers.se],[GF])
 
 AC_PREREQ(2.53)
 
-AC_REVISION($Revision: 1.8 $)
+AC_REVISION($Revision: 1.9 $)
 
 AC_CONFIG_FILES([config.mk jgf])