diff -r 87c22ec6a0fd -r fed2ead878ea configure.ac
--- a/configure.ac	Sat Aug 10 08:46:38 2019 +0200
+++ b/configure.ac	Sat Oct 05 16:58:16 2019 +0200
@@ -1,7 +1,7 @@
 #
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 #
-# Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
+# Copyright 2019 Mike Becker, Olaf Wintermann All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -28,8 +28,8 @@
 
 # the package version must match the macros in ucx.h
 # the lib version must follow the libtool versioning convention
-AC_INIT([ucx], [2.0.0], [olaf.wintermann@gmail.com])
-AC_SUBST([UCX_LIB_VERSION], [3:0:0])
+AC_INIT([ucx], [2.1.0], [olaf.wintermann@gmail.com])
+AC_SUBST([UCX_LIB_VERSION], [4:0:1])
 
 # don't place everything in the project root
 AC_CONFIG_AUX_DIR([build-aux])