diff --git a/libX11-1.7.2-sw_64.patch b/libX11-1.7.2-sw_64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..feb2637406329379e7668e0d17ed309eac3c1470
--- /dev/null
+++ b/libX11-1.7.2-sw_64.patch
@@ -0,0 +1,21 @@
+diff -Naru libX11-1.7.2/src/xcb_io.c libX11-1.7.2-sw/src/xcb_io.c
+--- libX11-1.7.2/src/xcb_io.c	2021-06-06 16:48:53.000000000 +0000
++++ libX11-1.7.2-sw/src/xcb_io.c	2022-09-01 03:24:00.479452203 +0000
+@@ -542,7 +542,7 @@
+ 	static const xReq dummy_request;
+ 	static char const pad[3];
+ 	struct iovec vec[3];
+-	uint64_t requests;
++	unsigned long requests;
+ 	uint64_t dpy_request;
+ 	_XExtension *ext;
+ 	xcb_connection_t *c = dpy->xcb->connection;
+@@ -563,7 +563,7 @@
+ 	if(dpy->xcb->event_owner != XlibOwnsEventQueue || dpy->async_handlers)
+ 	{
+ 		uint64_t sequence;
+-		for(sequence = dpy->xcb->last_flushed + 1; sequence <= dpy_request; ++sequence)
++		for(sequence = dpy->xcb->last_flushed + 1; (unsigned long)sequence <= dpy_request; ++sequence)
+ 			append_pending_request(dpy, sequence);
+ 	}
+ 	requests = dpy_request - dpy->xcb->last_flushed;
diff --git a/libX11-1.8.6.tar.xz b/libX11-1.8.6.tar.xz
deleted file mode 100644
index ad4c4eab081c975c1fa14378a2c63ec83a41b6ba..0000000000000000000000000000000000000000
Binary files a/libX11-1.8.6.tar.xz and /dev/null differ
diff --git a/libX11-1.8.7.tar.xz b/libX11-1.8.7.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..ed7cbc877f5aa99fe42954bc0832ade140be59bb
Binary files /dev/null and b/libX11-1.8.7.tar.xz differ
diff --git a/libX11.spec b/libX11.spec
index 21a6db6707d23ec43d317de359d4560f4292252b..1cf545b8ba94ad671a546deda1b3fdaa626d016f 100644
--- a/libX11.spec
+++ b/libX11.spec
@@ -1,5 +1,5 @@
 Name:		libX11
-Version:	1.8.6
+Version:	1.8.7
 Release:	1
 Summary:	Core X11 protocol client library
 License:	MIT
@@ -7,6 +7,7 @@ URL:		http://www.x.org
 Source0:	https://xorg.freedesktop.org/archive/individual/lib/%{name}-%{version}.tar.xz
 
 Patch1:         dont-forward-keycode-0.patch
+Patch2:		libX11-1.7.2-sw_64.patch
 
 BuildRequires:	xorg-x11-util-macros >= 1.11 xorg-x11-proto-devel perl-Pod-Usage libXau-devel
 BuildRequires:  libxcb-devel >= 1.2 libXdmcp-devel xorg-x11-xtrans-devel >= 1.0.3-4 make
@@ -76,6 +77,10 @@ make %{?_smp_mflags} check
 %{_mandir}/*/*
 
 %changelog
+* Wed Oct 04 2023 Funda Wang <fundawang@yeah.net> - 1.8.7-1
+- update to 1.8.7
+- merge sw64 patch
+
 * Sat Jul 22 2023 zhouwenpei <zhouwenpei1@h-partners.com> - 1.8.6-1
 - update to 1.8.6