diff --git a/UPDATE.md b/UPDATE.md
index 0b216e0f683479885ffee0b0eb6bfed02297a09d..0179976262507845f5dde27612c8136bde82e68b 100644
--- a/UPDATE.md
+++ b/UPDATE.md
@@ -33,6 +33,9 @@ performance improvements âš¡.
 
    - Remove all files except `.env` and `public/media`
    - Copy the new files from the downloaded package into your server
+     - Note: you may need to reset files permissions as during the install
+       process. Check
+       [Security Concerns section in INSTALL.md](./INSTALL.md#security-concerns).
 
 4. Alpha releases may come with additional update instructions (see
    [releases page](https://code.podlibre.org/podlibre/castopod-host/-/releases)).