diff --git a/README.md b/README.md
index 9fabf99..7bed539 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,6 @@ Web application for managing employee absences
 ## Documentation and resources
 
 * Official app website: https://timeoff.management/
-* Official user documentation: https://yunohost.org/apps
 * Official admin documentation: https://timeoff.management/support/main-page.html
 * Upstream app code repository: https://github.com/timeoff-management/timeoff-management-application
 * YunoHost documentation for this app: https://yunohost.org/app_timeoff
diff --git a/README_fr.md b/README_fr.md
index 49bfea3..de972ad 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -24,7 +24,6 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 ## Documentations et ressources
 
 * Site officiel de l'app : https://timeoff.management/
-* Documentation officielle utilisateur : https://yunohost.org/apps
 * Documentation officielle de l'admin : https://timeoff.management/support/main-page.html
 * Dépôt de code officiel de l'app : https://github.com/timeoff-management/timeoff-management-application
 * Documentation YunoHost pour cette app : https://yunohost.org/app_timeoff
diff --git a/conf/app.src b/conf/app.src
index 2b3a701..41c9e20 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,5 @@
-SOURCE_URL=https://github.com/timeoff-management/timeoff-management-application/archive/refs/tags/1.3.3.tar.gz
-SOURCE_SUM=e320350dbf1d1ce272cee1db845e3658945d57e49eb97a56df3d00cf63ab6fe6
+SOURCE_URL=https://github.com/timeoff-management/timeoff-management-application/archive/refs/tags/1.4.0.tar.gz
+SOURCE_SUM=2831826b689cf1f4bc7e7ae03ac42c4c846a56a8c3e1368f3a1326f46977cdcc
 SOURCE_SUM_PRG=sha256sum
 ARCH_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 9b08268..a927d57 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,8 +1,4 @@
 location __PATH__/ {
-
-	if ($scheme = http) {
-		rewrite ^ https://$server_name$request_uri? permanent;
-	}
 	
 	proxy_pass        http://127.0.0.1:__PORT__/;
 	proxy_set_header  Host $host;
diff --git a/conf/systemd.service b/conf/systemd.service
index 6c9e02d..a27f238 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,10 +7,10 @@ Type=simple
 User=__APP__
 Group=__APP__
 #Environment="PORT=__PORT__"
-#Environment="PATH=__ENV_PATH__"
+Environment="PATH=__ENV_PATH__"
 Environment="NODE_ENV=production"
 WorkingDirectory=__FINALPATH__/
-ExecStart=__YNH_NODE__  bin/wwww
+ExecStart=__YNH_NODE__ bin/wwww
 Restart=always
 
 [Install]
diff --git a/manifest.json b/manifest.json
index 63f3da9..03e84ba 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,7 +12,6 @@
         "website": "https://timeoff.management/",
         "demo": "https://demo.example.com",
         "admindoc": "https://timeoff.management/support/main-page.html",
-        "userdoc": "https://yunohost.org/apps",
         "code": "https://github.com/timeoff-management/timeoff-management-application"
     },
 	"license": "MIT",
@@ -21,7 +20,7 @@
 		"email": "ju@paraiso.me"
 	},
 	"requirements": {
-		"yunohost": ">= 4.2.4"
+		"yunohost": ">= 4.3.0"
 	},
 	"multi_instance": false,
 	"services": [
@@ -31,8 +30,7 @@
 		"install" : [
 			{
 				"name": "domain",
-				"type": "domain",
-				"example": "example.com"
+				"type": "domain"
 			},
             {
                 "name": "is_public",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b56a3be..acb6dce 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # nodejs version
-nodejs_version=14
+nodejs_version=16
 
 # dependencies used by the app
 pkg_dependencies="sqlite3"
diff --git a/scripts/install b/scripts/install
index 348f87f..4214831 100644
--- a/scripts/install
+++ b/scripts/install
@@ -32,7 +32,6 @@ app=$YNH_APP_INSTANCE_NAME
 ynh_script_progression --message="Validating installation parameters..."
 
 final_path=/var/www/$app
-config_path=/home/yunohost.app/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
@@ -105,6 +104,20 @@ chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 #chmod -R +x "$final_path/bin"
 
+#=================================================
+# CREATE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Creating a data directory..." --weight=1
+
+datadir=/home/yunohost.app/$app
+ynh_app_setting_set --app=$app --key=datadir --value=$datadir
+
+mkdir -p $datadir
+
+chmod 750 "$datadir"
+chmod -R o-rwx "$datadir"
+chown -R $app:www-data "$datadir"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -136,7 +149,7 @@ ynh_script_progression --message="Installing TimeOff..."
 
 pushd $final_path
 	ynh_use_nodejs
- 	ynh_exec_warn_less NODE_ENV=production npm install -g npm
+ 	ynh_exec_warn_less $ynh_npm install
 popd
 
 #=================================================
@@ -153,7 +166,7 @@ ynh_add_config --template="../conf/db.json" --destination="$final_path/config/db
 ynh_script_progression --message="Configuring a systemd service..."
 
 ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__YNH_NODE__" --replace_string="$ynh_node" --target_file="../conf/systemd.service"
+
 ynh_add_systemd_config
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index a039909..0402dd3 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -18,8 +18,6 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 port=$(ynh_app_setting_get --app=$app --key=port)
-#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-#db_user=$db_name
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 936e5b0..d137a15 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -34,8 +34,7 @@ db_user=$db_name
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..."
 
-test ! -d $final_path \
-	|| ynh_die --message="There is already a directory: $final_path "
+test ! -d $final_path || ynh_die --message="There is already a directory: $final_path "
 
 #=================================================
 # STANDARD RESTORATION STEPS
diff --git a/scripts/upgrade b/scripts/upgrade
index 95b4f54..668fc5c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -113,8 +113,8 @@ then
 	ynh_script_progression --message="Upgrading the lounge..."
 	pushd $final_path
 		ynh_use_nodejs
-		ynh_exec_warn_less NODE_ENV=production npm cache clean
-		ynh_exec_warn_less NODE_ENV=production npm update
+		ynh_exec_warn_less $ynh_npm cache clean
+		ynh_exec_warn_less $ynh_npm update
 	popd
 fi