diff --git a/backup/backup.class.php b/backup/backup.class.php
index 2107a2829e7..66026f870bd 100644
--- a/backup/backup.class.php
+++ b/backup/backup.class.php
@@ -160,7 +160,7 @@ abstract class backup implements checksumable {
     /**
      * Usually same than major release zero version, mainly for informative/historic purposes.
      */
-    const RELEASE = '4.4';
+    const RELEASE = '4.5';
 
     /**
      * Cipher to be used in backup and restore operations.