diff --git a/scripts/upgrade b/scripts/upgrade
index 6e6819f..7aa861a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -54,6 +54,16 @@ ynh_add_systemd_config
 
 yunohost service add $app --description="Local-first personal finance tool" --log="/var/log/$app/$app.log"
 
+#=================================================
+# INSTALL ACTUAL
+#=================================================
+ynh_script_progression --message="Installing $app..." --weight=10
+
+pushd $install_dir
+ 	ynh_use_nodejs
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install
+popd
+
 #=================================================
 # RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
 #=================================================