diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
new file mode 100755
index 0000000..c4d53fc
--- /dev/null
+++ b/.github/workflows/updater.sh
@@ -0,0 +1,136 @@
+#!/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
+# 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 8bf9e0c..36bc8a7 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 BookStack is an opinionated wiki system that provides a pleasant and simple out of the box experience. New users to an instance should find the experience intuitive and only basic word-processing skills should be required to get involved in creating content on BookStack. The platform should provide advanced power features to those that desire it but they should not interfere with the core simple user experience.
 
 
-**Shipped version:** 21.12.4~ynh1
+**Shipped version:** 21.12.4~ynh2
 
 **Demo:** https://demo.bookstackapp.com
 
diff --git a/README_fr.md b/README_fr.md
index 3849387..0a9be43 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -14,7 +14,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 BookStack is an opinionated wiki system that provides a pleasant and simple out of the box experience. New users to an instance should find the experience intuitive and only basic word-processing skills should be required to get involved in creating content on BookStack. The platform should provide advanced power features to those that desire it but they should not interfere with the core simple user experience.
 
 
-**Version incluse :** 21.12.4~ynh1
+**Version incluse :** 21.12.4~ynh2
 
 **Démo :** https://demo.bookstackapp.com
 
diff --git a/manifest.json b/manifest.json
index fd6f598..a1dca7d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Platform to create documentation/wiki content",
         "fr": "Plateforme pour créer du contenu de documentation/wiki"
     },
-    "version": "21.12.4~ynh1",
+    "version": "21.12.4~ynh2",
     "url": "https://www.bookstackapp.com/",
     "upstream": {
         "license": "MIT",
@@ -44,10 +44,6 @@
                 "name": "admin",
                 "type": "user"
             },
-            {
-                "name": "password",
-                "type": "password"
-            },
             {
                 "name": "language",
                 "type": "string",
diff --git a/scripts/install b/scripts/install
index 236d625..75927da 100644
--- a/scripts/install
+++ b/scripts/install
@@ -30,7 +30,6 @@ redis_db=$(ynh_redis_get_free_db)
 mail_pwd=$(ynh_string_random --length=12)
 admin=$YNH_APP_ARG_ADMIN
 email=$(ynh_user_get_info --username=$admin --key=mail)
-password=$YNH_APP_ARG_PASSWORD
 
 app=$YNH_APP_INSTANCE_NAME