diff --git a/NEWS b/NEWS
index e3e9201..6d5cc6f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,7 @@
-libmodbus 2.1.1 (2010-XX-XX)
+libmodbus 2.9.1 (2010-08-16)
 ============================
 
-- New API
+- Brand new API (see MIGRATION notes)!
 - Remove the internal function set_message_length_tcp
 - Restore slave ID (server ID) argument in functions
 - Error conventions of POSIX systems and error recover
diff --git a/configure.ac b/configure.ac
index 3b458f5..1e27b5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@
 # http://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
 #
 m4_define([libmodbus_version_major], [2])
-m4_define([libmodbus_version_minor], [1])
+m4_define([libmodbus_version_minor], [9])
 m4_define([libmodbus_version_micro], [1])
 
 m4_define([libmodbus_release_status],