diff --git a/misskey_update.sh b/misskey_update.sh
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+#!/bin/bash
+## author      : Dryusdan
+## modified    : KazukyAkayashi
+## date        : 16/04/2020
+## description : Misskey Update, for Misskey v13 or later 
+
+## Bash strict mode ####################################
+set -o errexit   # abort on nonzero exitstatus
+set -o nounset   # abort on unbound variable
+set -o pipefail  # don't hide errors within pipes
+
+## Bash color ##########################################
+# Set colors
+RED='\033[0;31m'
+YELLOW='\033[00;33m'
+LRED='\033[01;31m'
+LBLUE='\033[01;34m'
+NC='\033[0m' # No Color
+
+## Logs ################################################
+readonly SCRIPTNAME="$(basename "$0")"
+info()    { echo -e "${LBLUE}[INFO] $* ${NC}"    | logger --tag "${SCRIPTNAME}" --stderr ; }
+warning() { echo -e "${YELLOW}[WARNING] $* ${NC}" | logger --tag "${SCRIPTNAME}" --stderr ; }
+error()   { echo -e "${LRED}[ERROR] $* ${NC}"   | logger --tag "${SCRIPTNAME}" --stderr ; }
+fatal()   { echo -e "${RED}[FATAL] $* ${NC}"   | logger --tag "${SCRIPTNAME}" --stderr ; exit 1 ; }
+########################################################
+
+## Define Misskey's config ##########################
+FOLDER="/your/path/"
+MISSKEYSERVICE="misskey.service"
+MISSKEYUSER="misskey"
+
+info "Stopping Misskey"
+systemctl stop ${MISSKEYSERVICE}
+
+# Go to ${FOLDER}
+cd ${FOLDER}
+ 
+# Download
+info "Download"
+## Uncomment if you have trouble with git
+# su - ${MISSKEYUSER} -s /bin/bash -c "git reset --hard"
+su - ${MISSKEYUSER} -s /bin/bash -c "git checkout master"
+su - ${MISSKEYUSER} -s /bin/bash -c "git pull"
+su - ${MISSKEYUSER} -s /bin/bash -c "git submodule update --init"
+
+# Build
+info "Install and update dependencies"
+su - ${MISSKEYUSER} -s /bin/bash -c "NODE_OPTIONS=--max_old_space_size=3072 NODE_ENV=production pnpm install --frozen-lockfile;"
+
+info "Build assets"
+su - ${MISSKEYUSER} -s /bin/bash -c "NODE_OPTIONS=--max_old_space_size=3072 NODE_ENV=production pnpm build;"
+
+info "Migrate"
+su - ${MISSKEYUSER} -s /bin/bash -c "NODE_OPTIONS=--max_old_space_size=3072 NODE_ENV=production pnpm run migrate;"
+
+info "Starting Misskey"
+systemctl start ${MISSKEYSERVICE}
+
+## END Script #####################################
+info "exiting ${SCRIPTNAME}"
+exit 0
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