diff --git a/npa/configure.ac b/npa/configure.ac
index 64c5bb6..670c0b7 100644
--- a/npa/configure.ac
+++ b/npa/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([npa], [0.3], [http://sourceforge.net/projects/vsmartcard/support])
+AC_INIT([npa], [0.4], [http://sourceforge.net/projects/vsmartcard/support])
 AC_CONFIG_SRCDIR([src/npa.c])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])