diff --git a/ANNOUNCE b/ANNOUNCE
index c338e80cc..01cbdceef 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -51,11 +51,13 @@ Version 1.5.18beta03 [December 29, 2013]
   Merged pngvalid and pngtest from libpng-1.5; made compressed chunks
     after IDAT work with the progressive read code (this is a minor and
     somewhat ugly fix-up; the proper fix is in 1.6).
- The 'make all-am' command no longer builds $(check_PROGRAMS), leading
-   to a lack of checks on cross-builds such as ARM.  Makefile.am also
-   requires correct dependencies for the check programs on pnglibconf.h
-   otherwise parallel builds on fast machines can sometimes pick up the
-   system pnglibconf.h.
+  The 'make all-am' command no longer builds $(check_PROGRAMS), leading
+    to a lack of checks on cross-builds such as ARM.  Makefile.am also
+    requires correct dependencies for the check programs on pnglibconf.h
+    otherwise parallel builds on fast machines can sometimes pick up the
+    system pnglibconf.h.
+  Rebuilt configure scripts with automake 1.14.1 and autoconf-2.69.
+  Require automake-1.13 and enable automake "subdirs" feature in autoconf.ac.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
@@ -64,3 +66,4 @@ to subscribe)
 or to glennrp at users.sourceforge.net
 
 Glenn R-P
+#endif
diff --git a/CHANGES b/CHANGES
index 8b1a53466..e0a9e3b43 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4175,11 +4175,13 @@ Version 1.5.18beta03 [December 29, 2013]
   Merged pngvalid and pngtest from libpng-1.5; made compressed chunks
     after IDAT work with the progressive read code (this is a minor and
     somewhat ugly fix-up; the proper fix is in 1.6).
- The 'make all-am' command no longer builds $(check_PROGRAMS), leading
-   to a lack of checks on cross-builds such as ARM.  Makefile.am also
-   requires correct dependencies for the check programs on pnglibconf.h
-   otherwise parallel builds on fast machines can sometimes pick up the
-   system pnglibconf.h.
+  The 'make all-am' command no longer builds $(check_PROGRAMS), leading
+    to a lack of checks on cross-builds such as ARM.  Makefile.am also
+    requires correct dependencies for the check programs on pnglibconf.h
+    otherwise parallel builds on fast machines can sometimes pick up the
+    system pnglibconf.h.
+  Rebuilt configure scripts with automake 1.14.1 and autoconf-2.69.
+  Require automake-1.13 and enable automake "subdirs" feature in autoconf.ac
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/configure.ac b/configure.ac
index 09393a0c0..e9e0011f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ AC_PREREQ(2.59)
 dnl Version number stuff here:
 
 AC_INIT([libpng], [1.5.18beta03], [png-mng-implement@lists.sourceforge.net])
-AM_INIT_AUTOMAKE([serial-tests])
+AM_INIT_AUTOMAKE([1.13 serial-tests subdir-objects])
 dnl stop configure from automagically running automake
 AM_MAINTAINER_MODE