diff --git a/configure.ac b/configure.ac
index d5fcca7c..52366210 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ AC_PREREQ(2.59)
 AC_COPYRIGHT([
 See the included file: COPYING for copyright information.
 ])
-AC_INIT(pam_tacplus, 1.5.0-pre, [jeroen@jeroennijhof.nl,pawel.krawczyk@hush.com])
+AC_INIT(pam_tacplus, 1.5.1, [jeroen@jeroennijhof.nl,pawel.krawczyk@hush.com])
 
 AC_CONFIG_AUX_DIR(config)
 AM_INIT_AUTOMAKE([foreign])
diff --git a/libtac/lib/version.c b/libtac/lib/version.c
index 293aeb7e..aa500473 100644
--- a/libtac/lib/version.c
+++ b/libtac/lib/version.c
@@ -21,4 +21,4 @@
 
 int tac_ver_major = 1;
 int tac_ver_minor = 9;
-int tac_ver_patch = 0; /* patchlevel */
+int tac_ver_patch = 1; /* patchlevel */