diff --git a/configure.ac b/configure.ac
index a0ca7b16..d769e8aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 dnl Require autoconf version
 AC_PREREQ(2.59)
 
-AC_INIT([libsndfile],[1.0.18pre4],[erikd@mega-nerd.com])
+AC_INIT([libsndfile],[1.0.18pre5],[erikd@mega-nerd.com])
 AC_CONFIG_SRCDIR([src/sndfile.c])
 AC_CANONICAL_TARGET([])