diff --git a/configure.in b/configure.in
index de7d329f..0a4942cb 100644
--- a/configure.in
+++ b/configure.in
@@ -18,7 +18,7 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 AC_PREREQ([2.67])
-AC_INIT([libcoap], [0.05])
+AC_INIT([libcoap], [0.06])
 AC_CONFIG_SRCDIR([coap.h])
 
 # Checks for programs.