diff --git a/CMakeLists.txt b/CMakeLists.txt
index f81f0bad91b920caac62698910c2dc7aa629810c..60aa5bcad88f8d1bd6f892b4f0ac473d6873eb5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 2.8.6)
 project (opendht)
 set (opendht_VERSION_MAJOR 0)
-set (opendht_VERSION_MINOR 6.3)
+set (opendht_VERSION_MINOR 6.4)
 set (opendht_VERSION ${opendht_VERSION_MAJOR}.${opendht_VERSION_MINOR})
 set (PACKAGE_VERSION ${opendht_VERSION})
 set (VERSION "${opendht_VERSION}")
diff --git a/configure.ac b/configure.ac
index 74035d95b675ab4e50472519e507112e061a27c4..0785a35699251cc7243452c8836cac4a295b7c24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 dnl define macros
 m4_define([opendht_major_version], 0)
 m4_define([opendht_minor_version], 6)
-m4_define([opendht_patch_version], 3)
+m4_define([opendht_patch_version], 4)
 m4_define([opendht_version],
 		  [opendht_major_version.opendht_minor_version.opendht_patch_version])