diff --git a/configure.ac b/configure.ac
index adfe67fe9b..5918c26728 100644
--- a/configure.ac
+++ b/configure.ac
@@ -296,7 +296,7 @@ AC_ARG_WITH([pppd-plugin-dir], AS_HELP_STRING([--with-pppd-plugin-dir=DIR], [pat
 if test -n "$with_pppd_plugin_dir" ; then
 	PPPD_PLUGIN_DIR="$with_pppd_plugin_dir"
 else
-	PPPD_PLUGIN_DIR="${libdir}/pppd/2.4.4"
+	PPPD_PLUGIN_DIR="${libdir}/pppd/2.4.5"
 fi
 AC_SUBST(PPPD_PLUGIN_DIR)