diff --git a/scripts/upgrade b/scripts/upgrade
new file mode 100644
index 0000000..1ccdaec
--- /dev/null
+++ b/scripts/upgrade
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source /usr/share/yunohost/helpers
+
+#=================================================
+# CHECK VERSION
+#=================================================
+
+upgrade_type=$(ynh_check_app_version_changed)
+
+#=================================================
+# STANDARD UPGRADE STEPS
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK SOURCE
+#=================================================
+
+if [ "$upgrade_type" == "UPGRADE_APP" ]
+then
+	ynh_script_progression --message="Upgrading source files …" --weight=2
+
+	# Download, check integrity, uncompress and patch the source from app.src
+	ynh_setup_source --dest_dir="$install_dir"
+fi
+
+chown -R $app:www-data "$install_dir"
+chmod -R o-rwx "$install_dir"
+
+#=================================================
+# REAPPLY SYSTEM CONFIGURATIONS
+#=================================================
+ynh_script_progression --message="Upgrading nginx configuration …" --weight=1
+
+ynh_add_nginx_config
+
+
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Upgrade of $app completed" --last