diff --git a/scripts/_common.sh b/scripts/_common.sh
index b818f0f..9195d57 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,7 +4,7 @@
 # COMMON VARIABLES
 #=================================================
 
-nodejs_version=16
+nodejs_version=18
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/change_url b/scripts/change_url
index 3a9b28d..ecb9a84 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -25,6 +25,8 @@ ynh_script_progression --message="Updating NGINX web server configuration..." --
 
 ynh_change_url_nginx_config
 
+ynh_add_systemd_config
+
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index adef410..2a06a84 100755
--- a/scripts/install
+++ b/scripts/install
@@ -62,6 +62,8 @@ ynh_script_progression --message="Installing $app..." --weight=10
 pushd $install_dir
  	ynh_use_nodejs
 	sudo -u $app env $ynh_node_load_PATH BUILD_SEQUENCIAL=1 yarn install --inline-builds
+	sudo -u $app env $ynh_node_load_PATH yarn cache clean
+	ynh_secure_remove .yarn/berry
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 49a788d..c95d7e8 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -34,6 +34,14 @@ fi
 
 chown -R $app:www-data "$install_dir"
 
+#=================================================
+# UPGRADE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..." --weight=5
+
+# Install Nodejs
+ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
+
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================