diff --git a/manifest.json b/manifest.json
index 3e7ffe0..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"
     },
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
 #=================================================