diff --git a/_service b/_service
index 20cf7df..9c77e21 100644
--- a/_service
+++ b/_service
@@ -1,15 +1,15 @@
 <services>
-  <service name="obs_scm" mode="disabled">
+  <service name="obs_scm" mode="manual">
     <param name="url">https://github.com/emacs-w3m/emacs-w3m</param>
     <param name="scm">git</param>
     <param name="versionformat">1.4.632+@TAG_OFFSET@+g%h</param>
     <param name="parent-tag">7a81b230</param>
     <param name="changesgenerate">enable</param>
   </service>
+  <service mode="manual" name="set_version" />
   <service mode="buildtime" name="tar" />
   <service mode="buildtime" name="recompress">
     <param name="file">*.tar</param>
     <param name="compression">xz</param>
   </service>
-  <service mode="disabled" name="set_version" />
 </services>
diff --git a/_servicedata b/_servicedata
index 49f74f0..368e779 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://github.com/emacs-w3m/emacs-w3m</param>
-              <param name="changesrevision">f8819bca0c97970662cd4214f8f3104ab4a376c1</param></service></servicedata>
+              <param name="changesrevision">dc5136d20a546cbf741e0e5835a441859fdab384</param></service></servicedata>
\ No newline at end of file
diff --git a/emacs-w3m-1.4.632+546+gf8819bca.obscpio b/emacs-w3m-1.4.632+546+gf8819bca.obscpio
deleted file mode 100644
index bd12b82..0000000
--- a/emacs-w3m-1.4.632+546+gf8819bca.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c1189430ebb5719a4d0a4a3c53802f8eb498e93e080a8f714cc66e09030fe18
-size 4305420
diff --git a/emacs-w3m-1.4.632+563+gdc5136d2.obscpio b/emacs-w3m-1.4.632+563+gdc5136d2.obscpio
new file mode 100644
index 0000000..9501890
--- /dev/null
+++ b/emacs-w3m-1.4.632+563+gdc5136d2.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3923270d61b59f5b3ef5e7a40cc1802d018da6c877ecb235f8651881cdd07d25
+size 4311564
diff --git a/emacs-w3m.changes b/emacs-w3m.changes
index ede54a4..6f123f6 100644
--- a/emacs-w3m.changes
+++ b/emacs-w3m.changes
@@ -1,3 +1,25 @@
+-------------------------------------------------------------------
+Wed Feb 21 19:59:11 UTC 2024 - schwab@linux-m68k.org
+
+- Update to version 1.4.632+563+gdc5136d2:
+  * * shimbun/sb-sankei.el (shimbun-sankei-login, shimbun-sankei-keep-login): Revert
+  * * shimbun/sb-sankei.el (shimbun-sankei-get-headers): Add author's name to subject if possible (shimbun-sankei-login, shimbun-sankei-keep-login): Update cookies handling
+  * * shimbun/sb-sankei.el (shimbun-sankei-get-headers-ranking) (shimbun-sankei-get-headers): Update regexps
+  * * shimbun/sb-sankei.el (shimbun-sankei-get-headers): Minor fixes
+  * Add ``lexical-binding: nil'' to many files
+  * * shimbun/sb-sankei.el (shimbun-sankei-get-headers-ranking): New function (shimbun-sankei-get-headers): Use it for the sankeisyo group; minor improvements
+  * * shimbun/sb-sankei.el: Fix it so to work again for almost groups
+  * * w3m.el (w3m-fontify-anchors): Improve the way to find unsafe links
+  * * shimbun/mew-shimbun.el (mew-shimbun-unseen-setup): Fix advice
+  * * w3m.el (w3m-add-referer, w3m-puny-utf-16be): Fix custom types
+  * * w3mhack.el (w3mhack-insert-git-revision, w3mhack-generate-load-file): Fix so to generate emacs-w3m-git-revision on Emacs 29 and up as well
+  * * nnshimbun.el (nnshimbun-replace-date-header): Compile it if and only if it is necessary
+  * * mew-shimbun.el (mew-shimbun-unseen-setup): Use advice-add instead of defadvice that's been marked obsolete in Emacs 30
+  * * w3m-util.el (w3m-delete-w3m-initial-frames): Doc fix
+  * * mime-w3m.el (mime-display-message, kill-new): Use advice-add instead of defadvice that's been marked obsolete in Emacs 30
+  * Drop Emacs 27 support
+  * * nnshimbun.el (nnshimbun-replace-date-header): Don't quote lambda form
+
 -------------------------------------------------------------------
 Sat Apr 01 21:20:37 UTC 2023 - schwab@linux-m68k.org
 
diff --git a/emacs-w3m.obsinfo b/emacs-w3m.obsinfo
index 728bb7a..37bd345 100644
--- a/emacs-w3m.obsinfo
+++ b/emacs-w3m.obsinfo
@@ -1,4 +1,4 @@
 name: emacs-w3m
-version: 1.4.632+546+gf8819bca
-mtime: 1679621133
-commit: f8819bca0c97970662cd4214f8f3104ab4a376c1
+version: 1.4.632+563+gdc5136d2
+mtime: 1707358653
+commit: dc5136d20a546cbf741e0e5835a441859fdab384
diff --git a/emacs-w3m.spec b/emacs-w3m.spec
index 3d9c17e..c38c323 100644
--- a/emacs-w3m.spec
+++ b/emacs-w3m.spec
@@ -21,7 +21,7 @@ Summary:        An interface program to use w3m with Emacs
 License:        GPL-2.0-or-later
 Group:          Productivity/Networking/Web/Browsers
 # Summary(ja): w3m を Emacs 上で動かすためのプログラムです
-Version:        1.4.632+546+gf8819bca
+Version:        1.4.632+563+gdc5136d2
 Release:        0
 URL:            http://emacs-w3m.namazu.org/
 Source0:        emacs-w3m-%{version}.tar.xz
@@ -30,11 +30,11 @@ Patch1:         w3m-el-1.3-map.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 BuildRequires:  autoconf
-BuildRequires:  emacs-nox
+BuildRequires:  emacs-nox >= 28.0
 BuildRequires:  flim
 BuildRequires:  makeinfo
 Requires:       apel
-Requires:       emacs
+Requires:       emacs >= 28.0
 Requires:       flim
 Requires:       w3m
 Provides:       w3m-el = %{version}
@@ -60,8 +60,7 @@ with WWW capability, developed by Akinori ITO. It is a pager, but it
 can be used as a text-mode WWW browser.
 
 %prep
-%setup -q
-%patch1
+%autosetup -p1
 
 %build
 %define emacs_sitelisp_dir %{_datadir}/emacs/site-lisp
diff --git a/w3m-el-1.3-map.patch b/w3m-el-1.3-map.patch
index b7c5d94..c31c8fe 100644
--- a/w3m-el-1.3-map.patch
+++ b/w3m-el-1.3-map.patch
@@ -1,5 +1,5 @@
---- w3m-form.el
-+++ w3m-form.el	2002/07/07 19:16:32
+--- ./w3m-form.el
++++ ./w3m-form.el	2002/07/07 19:16:32
 @@ -417,7 +417,7 @@
  			      (char-after (match-beginning 1))
  			      ?/)))