diff --git a/application/controllers/Caldav.php b/application/controllers/Caldav.php
index 2e9d9257..a0b21db2 100644
--- a/application/controllers/Caldav.php
+++ b/application/controllers/Caldav.php
@@ -8,7 +8,7 @@
  * @copyright   Copyright (c) Alex Tselegidis
  * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
  * @link        https://easyappointments.org
- * @since       v1.0.0
+ * @since       v1.5.0
  * ---------------------------------------------------------------------------- */
 
 /**
diff --git a/application/libraries/Caldav_sync.php b/application/libraries/Caldav_sync.php
index a8e6ff67..fb87566c 100644
--- a/application/libraries/Caldav_sync.php
+++ b/application/libraries/Caldav_sync.php
@@ -8,7 +8,7 @@
  * @copyright   Copyright (c) Alex Tselegidis
  * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
  * @link        https://easyappointments.org
- * @since       v1.0.0
+ * @since       v1.5.0
  * ---------------------------------------------------------------------------- */
 
 use GuzzleHttp\Client;
diff --git a/application/libraries/Ldap_client.php b/application/libraries/Ldap_client.php
index 29a28362..73b6909c 100644
--- a/application/libraries/Ldap_client.php
+++ b/application/libraries/Ldap_client.php
@@ -8,7 +8,7 @@
  * @copyright   Copyright (c) Alex Tselegidis
  * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
  * @link        https://easyappointments.org
- * @since       v1.4.0
+ * @since       v1.5.0
  * ---------------------------------------------------------------------------- */
 
 /**
diff --git a/application/models/Blocked_periods_model.php b/application/models/Blocked_periods_model.php
index f8cd04ef..444a35a9 100644
--- a/application/models/Blocked_periods_model.php
+++ b/application/models/Blocked_periods_model.php
@@ -8,7 +8,7 @@
  * @copyright   Copyright (c) Alex Tselegidis
  * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
  * @link        https://easyappointments.org
- * @since       v1.0.0
+ * @since       v1.5.0
  * ---------------------------------------------------------------------------- */
 
 /**
diff --git a/application/models/Webhooks_model.php b/application/models/Webhooks_model.php
index de190b26..fbd0bd64 100644
--- a/application/models/Webhooks_model.php
+++ b/application/models/Webhooks_model.php
@@ -8,7 +8,7 @@
  * @copyright   Copyright (c) Alex Tselegidis
  * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
  * @link        https://easyappointments.org
- * @since       v1.3.2
+ * @since       v1.5.0
  * ---------------------------------------------------------------------------- */
 
 /**