diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0716e5a..8463aef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 CHANGELOG
 =========
+6.48.9
+---
+* Added `retentionType` backups property and getter
+
 6.48.8
 ---
 * Fix Kubernetes Cluster release endpoint
diff --git a/src/Entity/Vps/Backup.php b/src/Entity/Vps/Backup.php
index f7f2e91..f50db9a 100644
--- a/src/Entity/Vps/Backup.php
+++ b/src/Entity/Vps/Backup.php
@@ -36,6 +36,11 @@ class Backup extends AbstractEntity
      */
     protected $availabilityZone;
 
+    /**
+     * @var string $retentionType
+     */
+    protected string $retentionType;
+
     public function getId(): int
     {
         return $this->id;
@@ -65,4 +70,9 @@ public function getStatus(): string
     {
         return $this->status;
     }
+
+    public function getRetentionType(): string
+    {
+        return $this->retentionType;
+    }
 }
diff --git a/src/TransipAPI.php b/src/TransipAPI.php
index 9c6d302..e9adfb1 100644
--- a/src/TransipAPI.php
+++ b/src/TransipAPI.php
@@ -100,7 +100,7 @@
 class TransipAPI
 {
     public const TRANSIP_API_ENDPOINT = "https://api.transip.nl/v6";
-    public const TRANSIP_API_LIBRARY_VERSION = "6.48.8";
+    public const TRANSIP_API_LIBRARY_VERSION = "6.48.9";
     public const TRANSIP_API_DEMO_TOKEN = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6ImN3MiFSbDU2eDNoUnkjelM4YmdOIn0.eyJpc3MiOiJhcGkudHJhbnNpcC5ubCIsImF1ZCI6ImFwaS50cmFuc2lwLm5sIiwianRpIjoiY3cyIVJsNTZ4M2hSeSN6UzhiZ04iLCJpYXQiOjE1ODIyMDE1NTAsIm5iZiI6MTU4MjIwMTU1MCwiZXhwIjoyMTE4NzQ1NTUwLCJjaWQiOiI2MDQ0OSIsInJvIjpmYWxzZSwiZ2siOmZhbHNlLCJrdiI6dHJ1ZX0.fYBWV4O5WPXxGuWG-vcrFWqmRHBm9yp0PHiYh_oAWxWxCaZX2Rf6WJfc13AxEeZ67-lY0TA2kSaOCp0PggBb_MGj73t4cH8gdwDJzANVxkiPL1Saqiw2NgZ3IHASJnisUWNnZp8HnrhLLe5ficvb1D9WOUOItmFC2ZgfGObNhlL2y-AMNLT4X7oNgrNTGm-mespo0jD_qH9dK5_evSzS3K8o03gu6p19jxfsnIh8TIVRvNdluYC2wo4qDl5EW5BEZ8OSuJ121ncOT1oRpzXB0cVZ9e5_UVAEr9X3f26_Eomg52-PjrgcRJ_jPIUYbrlo06KjjX2h0fzMr21ZE023Gw";
 
     /**