diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
deleted file mode 100755
index 72eb5cb..0000000
--- a/.github/workflows/updater.sh
+++ /dev/null
@@ -1,137 +0,0 @@
-#!/bin/bash
-
-#=================================================
-# PACKAGE UPDATING HELPER
-#=================================================
-
-# This script is meant to be run by GitHub Actions
-# The YunoHost-Apps organisation offers a template Action to run this script periodically
-# Since each app is different, maintainers can adapt its contents so as to perform
-# automatic actions when a new upstream release is detected.
-
-# Remove this exit command when you are ready to run this Action
-exit 1
-
-#=================================================
-# FETCHING LATEST RELEASE AND ITS ASSETS
-#=================================================
-
-# Fetching information
-current_version=$(cat manifest.json | jq -j '.version|split("~")[0]')
-repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]')
-# Some jq magic is needed, because the latest upstream release is not always the latest version (e.g. security patches for older versions)
-version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | select( .prerelease != true ) | .tag_name' | sort -V | tail -1)
-assets=($(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'"))
-
-# Later down the script, we assume the version has only digits and dots
-# Sometimes the release name starts with a "v", so let's filter it out.
-# You may need more tweaks here if the upstream repository has different naming conventions. 
-if [[ ${version:0:1} == "v" || ${version:0:1} == "V" ]]; then
-    version=${version:1}
-fi
-
-# Setting up the environment variables
-echo "Current version: $current_version"
-echo "Latest release from upstream: $version"
-echo "VERSION=$version" >> $GITHUB_ENV
-echo "REPO=$repo" >> $GITHUB_ENV
-# For the time being, let's assume the script will fail
-echo "PROCEED=false" >> $GITHUB_ENV
-
-# Proceed only if the retrieved version is greater than the current one
-if ! dpkg --compare-versions "$current_version" "lt" "$version" ; then
-    echo "::warning ::No new version available"
-    exit 0
-# Proceed only if a PR for this new version does not already exist
-elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$version ; then
-    echo "::warning ::A branch already exists for this update"
-    exit 0
-fi
-
-# Each release can hold multiple assets (e.g. binaries for different architectures, source code, etc.)
-echo "${#assets[@]} available asset(s)"
-
-#=================================================
-# UPDATE SOURCE FILES
-#=================================================
-
-# Here we use the $assets variable to get the resources published in the upstream release.
-# Here is an example for Grav, it has to be adapted in accordance with how the upstream releases look like.
-
-# Let's loop over the array of assets URLs
-for asset_url in ${assets[@]}; do
-
-echo "Handling asset at $asset_url"
-
-# Assign the asset to a source file in conf/ directory
-# Here we base the source file name upon a unique keyword in the assets url (admin vs. update)
-# Leave $src empty to ignore the asset
-case $asset_url in
-  *"admin"*)
-    src="app"
-    ;;
-  *"update"*)
-    src="app-upgrade"
-    ;;
-  *)
-    src=""
-    ;;
-esac
-
-# If $src is not empty, let's process the asset
-if [ ! -z "$src" ]; then
-
-# Create the temporary directory
-tempdir="$(mktemp -d)"
-
-# Download sources and calculate checksum
-filename=${asset_url##*/}
-curl --silent -4 -L $asset_url -o "$tempdir/$filename"
-checksum=$(sha256sum "$tempdir/$filename" | head -c 64)
-
-# Delete temporary directory
-rm -rf $tempdir
-
-# Get extension
-if [[ $filename == *.tar.gz ]]; then
-  extension=tar.gz
-else
-  extension=${filename##*.}
-fi
-
-# Rewrite source file
-cat <<EOT > conf/$src.src
-SOURCE_URL=$asset_url
-SOURCE_SUM=$checksum
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=$extension
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-EOT
-echo "... conf/$src.src updated"
-
-else
-echo "... asset ignored"
-fi
-
-done
-
-#=================================================
-# SPECIFIC UPDATE STEPS
-#=================================================
-
-# Any action on the app's source code can be done.
-# The GitHub Action workflow takes care of committing all changes after this script ends.
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-
-# Replace new version in manifest
-echo "$(jq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.json)" > manifest.json
-
-# No need to update the README, yunohost-bot takes care of it
-
-# The Action will proceed only if the PROCEED environment variable is set to true
-echo "PROCEED=true" >> $GITHUB_ENV
-exit 0
diff --git a/README.md b/README.md
index f08f42e..cdf29ee 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 A simple, intuitive web app for analysing and decoding data without having to deal with complex tools or programming languages. CyberChef encourages both technical and non-technical people to explore data formats, encryption and compression: encode, decode, format data, parse data, encrypt, decrypt, compress data, extract data, perform arithmetic functions against data, etc.. There are around 300 operations in CyberChef allowing you to carry out simple and complex tasks easily.
 
 
-**Shipped version:** 1.0~ynh1
+**Shipped version:** 10.4.0~ynh1
 
 **Demo:** https://gchq.github.io/CyberChef
 
diff --git a/README_fr.md b/README_fr.md
index 771e6a6..3751a9a 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -19,7 +19,7 @@ Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) po
 Une application web simple et intuitive pour analyser et décoder des données sans avoir affaire à des outils ou des langages de programmation compliqués. CyberChef s'adresse aussi bien aux utilisateurs expérimentés qu'aux plus novices souhaitant explorer les formats de données, leur chiffrement et leur compression: encoder, décoder, formater, analyser, chiffrer, déchiffrer, compresser, extraire, fonctions arithmétiques, etc.. Il y a en tout près de 300 outils dans CyberChef permettant de réaliser facilement des tâches simples ou complexes.
 
 
-**Version incluse :** 1.0~ynh1
+**Version incluse :** 10.4.0~ynh1
 
 **Démo :** https://gchq.github.io/CyberChef
 
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 5a91f4c..6c989ad 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -4,7 +4,7 @@ location __PATH__/ {
   # Path to source
   alias __INSTALL_DIR__/;
 
-  index CyberChef_v9.55.0.html;
+  index __INDEX_PAGE__;
 
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
diff --git a/manifest.toml b/manifest.toml
index b9aa8a2..a6157e1 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -4,7 +4,7 @@ id = "cyberchef"
 name = "CyberChef"
 description.en = "The Cyber Swiss Army Knife - client-side toolbox for data analysis (encoding, encryption, parsing and more)."
 description.fr = "Le cyber-couteau suisse - boîte à outils s'executant côté client pour l'analyse de données (encodage, chiffrage, extraction, et plus encore)."
-version = "1.0~ynh1"
+version = "10.4.0~ynh1"
 
 maintainers = ["oleole39"]
 
@@ -21,9 +21,9 @@ architectures = "all"
 multi_instance = true
 ldap = "not_relevant"
 sso = "not_relevant"
-disk = "40M"
-ram.build = "0M"
-ram.runtime = "0M"
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "20M"
 
 
 [install]
@@ -43,11 +43,13 @@ ram.runtime = "0M"
     [resources.sources]
 
         [resources.sources.main]
-        url = "https://github.com/gchq/CyberChef/releases/download/v9.55.0/CyberChef_v9.55.0.zip"
-        sha256 = "da55adc790d011f6bf3740e7e704d340351f7e1c8ebd8e7d9dd24aa46562307c"
+        url = "https://github.com/gchq/CyberChef/releases/download/v10.4.0/CyberChef_v10.4.0.zip"
+        sha256 = "8485713baeed5fced47e2543b3072032bc9e541d1962b9ee8356b615efa074a2"
         extract = true
         zip = true
         in_subdir = false
+        autoupdate.strategy = "latest_github_release"
+        autoupdate.asset = "CyberChef_.*zip"
 
     [resources.system_user]
 
diff --git a/scripts/change_url b/scripts/change_url
index 9c8f778..fe8ff1c 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,6 +9,9 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+upstream_version=$(ynh_app_upstream_version)
+index_page="CyberChef_v${upstream_version}.html"
+
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 57d9907..cac142f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,6 +9,9 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+upstream_version=$(ynh_app_upstream_version)
+index_page="CyberChef_v${upstream_version}.html"
+
 #=================================================
 # APP "BUILD" (DEPLOYING SOURCES, VENV, COMPILING ETC)
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index d0f9e62..322ce49 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -11,6 +11,9 @@ source /usr/share/yunohost/helpers
 
 upgrade_type=$(ynh_check_app_version_changed)
 
+upstream_version=$(ynh_app_upstream_version)
+index_page="CyberChef_v${upstream_version}.html"
+
 #=================================================
 # "REBUILD" THE APP (DEPLOY NEW SOURCES, RERUN NPM BUILD, ETC...)
 #=================================================
@@ -30,6 +33,7 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================
+
 ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=4
 
 ynh_add_nginx_config