diff --git a/configure.ac b/configure.ac
index 9280af29..87349e58 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,8 +24,8 @@
 
 AC_PREREQ(2.59)
 
-AC_INIT([ntfs-3g],[1.601],[ntfs-3g-devel@lists.sf.net])
-LIBNTFS_3G_VERSION=3:0:0
+AC_INIT([ntfs-3g],[1.612],[ntfs-3g-devel@lists.sf.net])
+LIBNTFS_3G_VERSION=4:0:0
 
 AC_CANONICAL_HOST([])
 AC_CANONICAL_TARGET([])