diff --git a/src/_do-release-upgrade b/src/_do-release-upgrade
new file mode 100644
index 0000000..bb74adf
--- /dev/null
+++ b/src/_do-release-upgrade
@@ -0,0 +1,56 @@
+#compdef do-release-upgrade
+# ------------------------------------------------------------------------------
+# Copyright (c) 2023 Github zsh-users - https://github.com/zsh-users
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for do-release-upgrade 23.10.10
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Shohei Yoshida (https://github.com/syohex) <syohex@gmail.com>
+#
+# ------------------------------------------------------------------------------
+
+_arguments \
+  '(- *)'{-h,--help}'[Show this help message and exit]' \
+  '(- *)'{-v,--version}'[Show version and exit]' \
+  '(-d --devel-release)'{-d,--devel-release}'[Upgrade to the development release]' \
+  '--data-dir=[Directory that contains the data files]:dir:_files -/' \
+  '(-p --proposed)'{-p,--proposed}'[Try upgrading to the latest release using the upgrade from \$distro-proposed]' \
+  '(-m --mode)'{-m,--mode=}'[Run in a special upgrade mode]:mode:(desktop server)' \
+  '(-f --frontend)'{-f,--frontend}'[Run the specified frontend]:frontend' \
+  '(- *)--check-dist-upgrade-only[Check only if a new distribution release is available]' \
+  '--allow-third-party[Try the upgrade with third party mirrors and repositories]' \
+  '(-q --quiet)'{-q,--quiet}'[Quiet mode]' \
+  \*{-e,--env=}'[A comma-separated list of environment variables]'
+
+# Local Variables:
+# mode: Shell-Script
+# sh-indentation: 2
+# indent-tabs-mode: nil
+# sh-basic-offset: 2
+# End:
+# vim: ft=zsh sw=2 ts=2 et