diff --git a/README.md b/README.md
index f9c26ac..9f7fd55 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Recommended installation is using [Composer], if you do not have [Composer] what
 In the root of your project execute the following:
 
 ```sh
-$ composer require zzantares/proxmoxve ~3.0
+$ composer require zzantares/proxmoxve ~4.0
 ```
 
 Or add this to your `composer.json` file:
@@ -30,7 +30,7 @@ Or add this to your `composer.json` file:
 ```json
 {
     "require": {
-        "zzantares/proxmoxve": "~3.0"
+        "zzantares/proxmoxve": "~4.0"
     }
 }
 ```