diff --git a/README.md b/README.md
index f30be24..b3e40ff 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 *[Lire ce readme en français.](./README_fr.md)*
 
 > *This package allow you to install Etherpad-Lite quickly and simply on a YunoHost server.  
-If you don't have YunoHost, please see [here](https://yunohost.org/#/install) to know how to install and enjoy it.*
+If you don't have YunoHost, please see [here](https://yunohost.org/install) to know how to install and enjoy it.*
 
 > :warning: This package installs Etherpad-Lite (without MyPads and plugins). It uses PostgreSQL as a database.
 >If you want to install Etherpad with the MyPads plugin, use the [Etherpad MyPads package](https://github.com/YunoHost-Apps/etherpad_mypads_ynh).
diff --git a/README_fr.md b/README_fr.md
index 8e95378..8f72fdc 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -6,7 +6,7 @@
 *[Read this readme in english.](./README.md)*
 
 > *Ce package vous permet d'installer Etherpad-Lite rapidement et simplement sur un serveur YunoHost.  
-Si vous n'avez pas YunoHost, merci de regarder [ici](https://yunohost.org/#/install_fr) pour savoir comment l'installer et en profiter.*
+Si vous n'avez pas YunoHost, merci de regarder [ici](https://yunohost.org/install_fr) pour savoir comment l'installer et en profiter.*
 
 > :warning: Ce paquet installe Etherpad-Lite (sans MyPads et divers plugins). Il utilise PostgreSQL comme base de données.
 > Si vous souhaitez installer Etherpad avec MyPads, utilisez le paquet [Etherpad MyPads](https://github.com/YunoHost-Apps/etherpad_mypads_ynh).
diff --git a/conf/app.src b/conf/app.src
index 20e60a6..2e84639 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/ether/etherpad-lite/archive/1.8.12.tar.gz
-SOURCE_SUM=a5d490e75aa7a710c28bcc9b88efce528713f83f70e8984b3f9bc661e997d04f
+SOURCE_URL=https://github.com/ether/etherpad-lite/archive/1.8.13.tar.gz
+SOURCE_SUM=c83052daf3b0af8aa3c19a8308e21fcbcfecca99aeb3e8047383875f855443f1
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 33aee17..8ce994f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -13,7 +13,7 @@
         "name": "eric_G"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7164fba..7e89a48 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -27,7 +27,6 @@ libreoffice_app_dependencies="unoconv libreoffice-writer"
 # FUTURE OFFICIAL HELPERS
 #=================================================
 
-
 ynh_maintenance_mode_ON () {
 	# Load value of $path_url and $domain from the config if their not set
 	if [ -z $path_url ]; then
@@ -106,20 +105,3 @@ ynh_maintenance_mode_OFF () {
 
 	systemctl reload nginx
 }
-
-
-#=================================================
-
-
-# Execute a command as another user
-# usage: ynh_exec_as USER COMMAND [ARG ...]
-ynh_exec_as() {
-  local USER=$1
-  shift 1
-
-  if [[ $USER = $(whoami) ]]; then
-    eval "$@"
-  else
-    sudo -u "$USER" "$@"
-  fi
-}
diff --git a/scripts/restore b/scripts/restore
index 5c747fd..3da0a65 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -99,6 +99,7 @@ ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name
 
 # Restore permissions on app files
 chown -R $app: $final_path
+chmod o-rwx $final_path
 chmod 600 $final_path/credentials.json
 
 #=================================================