diff --git a/mingw-w64-headers/Makefile.in b/mingw-w64-headers/Makefile.in
index d81aedf..4c89db7 100644
--- a/mingw-w64-headers/Makefile.in
+++ b/mingw-w64-headers/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.2 from Makefile.am.
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2020 Free Software Foundation, Inc.
@@ -207,6 +207,8 @@
 DIST_ARCHIVES = $(distdir).tar.gz
 GZIP_ENV = --best
 DIST_TARGETS = dist-gzip
+# Exists only to be overridden by the user if desired.
+AM_DISTCHECK_DVI_TARGET = dvi
 distuninstallcheck_listfiles = find . -type f -print
 am__distuninstallcheck_listfiles = $(distuninstallcheck_listfiles) \
   | sed 's|^\./|$(prefix)/|' | grep -v '$(infodir)/dir$$'
@@ -302,6 +304,7 @@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -403,6 +406,7 @@
 @HAVE_WIDL_TRUE@  include/ddstream.idl \
 @HAVE_WIDL_TRUE@  include/dinputd.idl \
 @HAVE_WIDL_TRUE@  include/dimm.idl \
+@HAVE_WIDL_TRUE@  include/directmanipulation.idl \
 @HAVE_WIDL_TRUE@  include/dispex.idl \
 @HAVE_WIDL_TRUE@  include/dmodshow.idl \
 @HAVE_WIDL_TRUE@  include/docobj.idl \
@@ -566,7 +570,6 @@
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
 .SUFFIXES:
-.SUFFIXES: .h .idl .tlb
 am--refresh: Makefile
 	@:
 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
@@ -1074,7 +1077,7 @@
 	    $(DISTCHECK_CONFIGURE_FLAGS) \
 	    --srcdir=../.. --prefix="$$dc_install_base" \
 	  && $(MAKE) $(AM_MAKEFLAGS) \
-	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
+	  && $(MAKE) $(AM_MAKEFLAGS) $(AM_DISTCHECK_DVI_TARGET) \
 	  && $(MAKE) $(AM_MAKEFLAGS) check \
 	  && $(MAKE) $(AM_MAKEFLAGS) install \
 	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
@@ -1135,7 +1138,8 @@
 	done
 install: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) install-am
-install-exec: install-exec-am
+install-exec: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-am
 install-data: install-data-am
 uninstall: uninstall-am
 
@@ -1247,7 +1251,7 @@
 	uninstall-secsysheadHEADERS uninstall-sysheadHEADERS \
 	uninstall-wrlheadHEADERS uninstall-wrlwrappersheadHEADERS
 
-.MAKE: all check install install-am install-strip
+.MAKE: all check install install-am install-exec install-strip
 
 .PHONY: CTAGS GTAGS TAGS all all-am am--refresh check check-am clean \
 	clean-cscope clean-generic cscope cscopelist-am ctags ctags-am \
@@ -1283,12 +1287,19 @@
 dist-hook:
 	find $(distdir) -name ".svn" -type d -delete
 
-@HAVE_WIDL_TRUE@.idl.h: crt/_mingw.h
+@HAVE_WIDL_TRUE@%.h: %.idl crt/_mingw.h
 @HAVE_WIDL_TRUE@	$(WIDL) -DBOOL=WINBOOL -I$(srcdir)/include -Icrt -I$(srcdir)/crt -h -o $@ $<
 
-@HAVE_WIDL_TRUE@.idl.tlb:
+@HAVE_WIDL_TRUE@%.tlb: %.idl
 @HAVE_WIDL_TRUE@	$(WIDL) -I$(srcdir)/include -t -o $@ $<
 
+@HAVE_WIDL_TRUE@%_i.c: %.idl crt/_mingw.h
+@HAVE_WIDL_TRUE@	$(WIDL) -DBOOL=WINBOOL -I$(srcdir)/include -Icrt -I$(srcdir)/crt -u -o $@ $<
+
+# following headers are not meant to be generated from IDLs, so override default rule
+@HAVE_WIDL_TRUE@include/prsht.h: ;
+@HAVE_WIDL_TRUE@include/wincrypt.h: ;
+
 _mingw_ddk.h: $(srcdir)/crt/sdks/_mingw_ddk.h.in
 	$(SED) s/MINGW_HAS_DDK$$/@MINGW_HAS_DDK@/ $< > $@
 
diff --git a/mingw-w64-headers/aclocal.m4 b/mingw-w64-headers/aclocal.m4
index 937454f..26e21f8 100644
--- a/mingw-w64-headers/aclocal.m4
+++ b/mingw-w64-headers/aclocal.m4
@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.16.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.3 -*- Autoconf -*-
 
 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
@@ -35,7 +35,7 @@
 [am__api_version='1.16'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.16.2], [],
+m4_if([$1], [1.16.3], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -51,7 +51,7 @@
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.16.2])dnl
+[AM_AUTOMAKE_VERSION([1.16.3])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
@@ -439,12 +439,7 @@
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 AC_REQUIRE_AUX_FILE([missing])dnl
 if test x"${MISSING+set}" != xset; then
-  case $am_aux_dir in
-  *\ * | *\	*)
-    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
-  *)
-    MISSING="\${SHELL} $am_aux_dir/missing" ;;
-  esac
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
 fi
 # Use eval to expand $SHELL
 if eval "$MISSING --is-lightweight"; then
diff --git a/mingw-w64-headers/configure b/mingw-w64-headers/configure
index 8ad7fce..c5b5cc8 100755
--- a/mingw-w64-headers/configure
+++ b/mingw-w64-headers/configure
@@ -668,6 +668,7 @@
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -741,6 +742,7 @@
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -993,6 +995,15 @@
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1130,7 +1141,7 @@
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1283,6 +1294,7 @@
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1982,12 +1994,7 @@
 am_aux_dir=`cd "$ac_aux_dir" && pwd`
 
 if test x"${MISSING+set}" != xset; then
-  case $am_aux_dir in
-  *\ * | *\	*)
-    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
-  *)
-    MISSING="\${SHELL} $am_aux_dir/missing" ;;
-  esac
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
 fi
 # Use eval to expand $SHELL
 if eval "$MISSING --is-lightweight"; then