diff --git a/README.md b/README.md
index 2b046dd03..e17c2e701 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ The [piwigo.org](https://piwigo.org) website introduces you to Piwigo. You'll fi
 ## Requirements
 
  * A webserver (Apache or nginx recommended)
- * PHP 5.3 or greater (7+ recommended)
+ * PHP 7.4+. Piwigo can run with PHP 7.0+ but these end-of-life versions are no longer maintained and may expose your site to security vulnerabilities.
  * MySQL 5 or greater or MariaDB equivalent
  * ImageMagick (recommended) or PHP GD