diff --git a/scripts/upgrade b/scripts/upgrade
index 00fd2ee..1e52fb4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -133,7 +133,7 @@ fi
 #=================================================
 
 exec_artisan "app:update"
-rm -rf bootstrap/cache/*
+ynh_secure_remove --file=bootstrap/cache/*
 
 #=================================================
 # GENERIC FINALIZATION