diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6843eed..40b641b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 2.4.0 (12.03.2021)
 
 * Add support for Firewalls
 
diff --git a/src/HetznerAPIClient.php b/src/HetznerAPIClient.php
index 5beaedc..2db550c 100644
--- a/src/HetznerAPIClient.php
+++ b/src/HetznerAPIClient.php
@@ -27,7 +27,7 @@ class HetznerAPIClient
     /**
      * Version of the API Client.
      */
-    const VERSION = '2.3.0';
+    const VERSION = '2.4.0';
 
     const MAX_ENTITIES_PER_PAGE = 50;