diff --git a/expat/Changes b/expat/Changes
index 78ea0832..45e45dd3 100644
--- a/expat/Changes
+++ b/expat/Changes
@@ -5,6 +5,7 @@ NOTE: We are looking for help with a few things:
 Release 2.4.2 xxx xxx xx xxxx
         Other changes:
        #509 #510  Link againgst libm for function "isnan"
+       #513 #514  Include expat_config.h as early as possible
             #497  Autotools: Include files with release archives:
                     - buildconf.sh
                     - fuzz/*.c
@@ -13,6 +14,7 @@ Release 2.4.2 xxx xxx xx xxxx
                     - multi-config CMake generators (e.g. Ninja Multi-Config)
 
         Special thanks to:
+            Dong-hee Na
             Joergen Ibsen
             Kai Pastor
 
diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index 5ba56eae..2811d863 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -32,6 +32,7 @@
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
    Copyright (c) 2019-2020 Ben Wagner <bungeman@chromium.org>
    Copyright (c) 2019      Vadim Zeitlin <vadim@zeitlins.org>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -54,6 +55,10 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#define XML_BUILDING_EXPAT 1
+
+#include <expat_config.h>
+
 #if ! defined(_GNU_SOURCE)
 #  define _GNU_SOURCE 1 /* syscall prototype */
 #endif
@@ -84,14 +89,10 @@
 #  include <errno.h>
 #endif
 
-#define XML_BUILDING_EXPAT 1
-
 #ifdef _WIN32
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "ascii.h"
 #include "expat.h"
 #include "siphash.h"
diff --git a/expat/lib/xmlrole.c b/expat/lib/xmlrole.c
index 08173b0f..77746ee4 100644
--- a/expat/lib/xmlrole.c
+++ b/expat/lib/xmlrole.c
@@ -15,6 +15,7 @@
    Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -37,14 +38,14 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <expat_config.h>
+
 #include <stddef.h>
 
 #ifdef _WIN32
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "expat_external.h"
 #include "internal.h"
 #include "xmlrole.h"
diff --git a/expat/lib/xmltok.c b/expat/lib/xmltok.c
index f2b6b406..502ca1ad 100644
--- a/expat/lib/xmltok.c
+++ b/expat/lib/xmltok.c
@@ -20,6 +20,7 @@
    Copyright (c) 2017      Benbuck Nason <bnason@netflix.com>
    Copyright (c) 2017      José Gutiérrez de la Concha <jose@zeroc.com>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -42,6 +43,8 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <expat_config.h>
+
 #include <stddef.h>
 #include <string.h> /* memcpy */
 #include <stdbool.h>
@@ -50,8 +53,6 @@
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "expat_external.h"
 #include "internal.h"
 #include "xmltok.h"
diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index 45ba5d59..3f514c37 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -17,6 +17,7 @@
    Copyright (c) 2018      Marco Maggi <marco.maggi-ipsu@poste.it>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
    Copyright (c) 2020      Tim Gates <tim.gates@iress.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -39,12 +40,12 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <expat_config.h>
+
 #if defined(NDEBUG)
 #  undef NDEBUG /* because test suite relies on assert(...) at the moment */
 #endif
 
-#include <expat_config.h>
-
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/expat/xmlwf/xmlfile.c b/expat/xmlwf/xmlfile.c
index 50d02f8f..e3d6259a 100644
--- a/expat/xmlwf/xmlfile.c
+++ b/expat/xmlwf/xmlfile.c
@@ -14,6 +14,7 @@
    Copyright (c) 2016-2021 Sebastian Pipping <sebastian@pipping.org>
    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
+   Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
    Licensed under the MIT license:
 
    Permission is  hereby granted,  free of charge,  to any  person obtaining
@@ -36,6 +37,8 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <expat_config.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
@@ -46,8 +49,6 @@
 #  include "winconfig.h"
 #endif
 
-#include <expat_config.h>
-
 #include "expat.h"
 #include "internal.h" /* for UNUSED_P only */
 #include "xmlfile.h"