diff --git a/How-to-Upgrade.md b/How-to-Upgrade.md
index 87c6172..1bc728a 100644
--- a/How-to-Upgrade.md
+++ b/How-to-Upgrade.md
@@ -72,3 +72,11 @@ Upgrading from one OpenSupports version to another consists in replacing the cur
 4. Go to the folder `version_upgrades/4.4.0/` and run the script with `php 4.4.0.php`
 5. After the script is done, remove the folder `version_upgrades`
 6. Upgrade should be complete. If you had some issues, feel free to open a ticket here at github.
+
+## Upgrade v4.4.0 -> v4.5.0
+1. Do a database backup before upgrading for safety
+2. Download the upgrade [zip file](https://github.com/opensupports/opensupports/releases/download/v4.5.0/opensupports_v4.5.0_update.zip)
+3. Replace the OpenSupports files in your server with the content of the zip file.
+4. Go to the folder `version_upgrades/4.5.0/` and run the script with `php 4.5.0.php`
+5. After the script is done, remove the folder `version_upgrades`
+6. Upgrade should be complete. If you had some issues, feel free to open a ticket here at github.