diff --git a/scripts/upgrade b/scripts/upgrade
index 091448a..d738326 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -83,6 +83,11 @@ if [ -n "$is_public" ]; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
+if ! ynh_permission_exists --permission="admin"; then
+	# Create the required permissions
+	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
+fi
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================