diff --git a/README.md b/README.md
index c49d936..e0fab76 100755
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ n8n is an extendable workflow automation tool. With a fair-code distribution mod
 
 **Shipped version:** 0.153.0~ynh1
 
-**Demo:** https://demo.example.com
+
 
 ## Screenshots
 
diff --git a/README_fr.md b/README_fr.md
index d982866..56d260b 100755
--- a/README_fr.md
+++ b/README_fr.md
@@ -15,7 +15,7 @@ n8n is an extendable workflow automation tool. With a fair-code distribution mod
 
 **Version incluse :** 0.153.0~ynh1
 
-**Démo :** https://demo.example.com
+
 
 ## Captures d'écran
 
diff --git a/conf/nginx.conf b/conf/nginx.conf
index e6279cf..131d238 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,11 +1,6 @@
 #sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
 location __PATH__/ {
 
-  # Force usage of https
-  if ($scheme = http) {
-    rewrite ^ https://$server_name$request_uri? permanent;
-  }
-
   proxy_pass        http://127.0.0.1:__PORT__/;
   proxy_set_header  Host $host;
   proxy_pass_header Server;
diff --git a/manifest.json b/manifest.json
index 714554a..480184b 100755
--- a/manifest.json
+++ b/manifest.json
@@ -11,7 +11,6 @@
     "upstream": {
         "license": "Apache-2.0-with-commons-clause",
         "website": "https://n8n.io/",
-        "demo": "https://demo.example.com",
         "admindoc": "https://docs.n8n.io/",
         "code": "https://github.com/n8n-io/n8n"
     },
@@ -20,7 +19,7 @@
         "name": "fflorent"
     },
     "requirements": {
-        "yunohost": ">= 4.2.4"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index e4c7965..30a9c87 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,9 +4,9 @@
 # COMMON VARIABLES
 #=================================================
 
-nodejs_version=14
+nodejs_version=16
 
-n8n_version=0.138.0
+n8n_version=0.159.1
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/remove b/scripts/remove
index 577b97f..8c51903 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -21,6 +21,7 @@ port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # STANDARD REMOVE
@@ -67,6 +68,17 @@ ynh_script_progression --message="Removing $app main directory..." --weight=3
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
 
+#=================================================
+# REMOVE DATA DIR
+#=================================================
+
+# Remove the data directory if --purge option is used
+if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
+then
+	ynh_script_progression --message="Removing app data directory..." --weight=1
+	ynh_secure_remove --file="$datadir"
+fi
+
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 4de43ee..7d4a9f0 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -35,8 +35,7 @@ datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..." --weight=2
 
-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