diff --git a/configure.ac b/configure.ac
index 99ad9f962ffbfa1ac70d3b36932cc4d7e37595d6..6d503b93ce7bfa94304a19389f1e9b66b529e09e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl -*- mode: shell-script; sh-indentation: 2; -*-
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([nettle], [1.16], [nettle-bugs@lists.lysator.liu.se])
+AC_INIT([nettle], [2.0rc1], [nettle-bugs@lists.lysator.liu.se])
 AC_PREREQ(2.61)
 AC_CONFIG_SRCDIR([arcfour.c])
 # Needed to stop autoconf from looking for files in parent directories.