diff --git a/files/update_mastodon.sh b/files/update_mastodon.sh
new file mode 100755
index 0000000..c162c0e
--- /dev/null
+++ b/files/update_mastodon.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+set -euo pipefail
+tag=latest
+dummy=false
+token=""
+
+function usage() {
+    echo "Usage:"
+    echo "$(basename "${0}") [-t|--tag <TAG>] [-T|--token <GITHUB_TOKEN>] [-d|--debug]"
+    echo ""
+    echo "  -d|--debug           Show more debug information."
+    echo "  -t|--tag <TAG>       Release tag or 'latest' (default)."
+    echo "  -T|--token <TOKEN>   Github token with read access to public repositories."
+    echo "  -D|--dummy|--dry-run Run in Dry-mode without actually updating but showing the commands to execute."
+}
+
+while [ $# -gt 0 ]
+do
+    case "${1}" in
+        "-h"|"-?"|"--help")
+        shift
+        usage
+        exit 0
+        ;;
+        "-d"|"--debug")
+        shift
+        export DEBUG=true
+        ;;
+        "-t"|"--tag")
+        shift
+        tag="${1}"
+        shift
+        ;;
+        "-T"|"--token")
+        shift
+        token="${1}"
+        shift
+        ;;
+        '-D'|'--dummy'|'--dry-run')
+        shift
+        dummy=true
+        ;;
+        *)
+        message "Unknown parameter '$1'" p
+        shift
+        ;;
+    esac
+done
+
+if [ "${tag}" == "latest" ]; then
+    tag=$(curl -L -s -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${token}" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/mastodon/mastodon/releases/latest | jq '.tag_name')
+else
+    releases=$(curl -L -s -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${token}" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/mastodon/mastodon/releases | jq '.[]|.tag_name')
+    if ! echo "${releases}" | pgrep "${tag}"; then
+        printf "The tag '%s' is not part of the releases:\n%s" "${tag}" "${releases}"
+        exit 1
+    fi
+fi
+
+if [ "${dummy}" == "true" ]; then
+    pre_command="echo"
+else
+    pre_command=""
+fi
+
+mastodon_home=$(grep "^mastodon:" /etc/passwd | awk 'BEGIN {FS=":"} {print($7)}')
+if [ ! -d "${mastodon_home}" ]; then
+    printf "The home for the user mastodon '%s', doesn't exist." "${mastodon_home}"
+    exit 2
+fi
+
+cd "${mastodon_home}" || exit 3
+"${pre_command}" sudo -u mastodon git fetch
+"${pre_command}" sudo -u mastodon git checkout "${tag}"
+current_date=$(date +%Y-%m-%d-%H-%M-%S)
+"${pre_command}" sudo -u postgres pg_dump mastodon > "/var/backup/pgdump_pre_update_mastodon_to_${tag}_${current_date}.sql"
+"${pre_command}" sudo -u mastodon bundle install
+"${pre_command}" sudo -u mastodon yarn install --frozen-lockfile
+"${pre_command}" sudo systemctl restart mastodon-sidekiq.service mastodon-web.service mastodon-streaming mastodon-streaming@4000.service