diff --git a/src/Monolog/Handler/SlackHandler.php b/src/Monolog/Handler/SlackHandler.php
index 3ac4d836..2c2cc4c0 100644
--- a/src/Monolog/Handler/SlackHandler.php
+++ b/src/Monolog/Handler/SlackHandler.php
@@ -27,13 +27,13 @@ class SlackHandler extends SocketHandler
      * Slack API token
      * @var string
      */
-    private $token;
+    protected $token;
 
     /**
      * Instance of the SlackRecord util class preparing data for Slack API.
      * @var SlackRecord
      */
-    private $slackRecord;
+    protected $slackRecord;
 
     /**
      * @param  string                    $token                  Slack API token
diff --git a/src/Monolog/Handler/SlackWebhookHandler.php b/src/Monolog/Handler/SlackWebhookHandler.php
index 9a1bbb44..19f92cef 100644
--- a/src/Monolog/Handler/SlackWebhookHandler.php
+++ b/src/Monolog/Handler/SlackWebhookHandler.php
@@ -27,13 +27,13 @@ class SlackWebhookHandler extends AbstractProcessingHandler
      * Slack Webhook token
      * @var string
      */
-    private $webhookUrl;
+    protected $webhookUrl;
 
     /**
      * Instance of the SlackRecord util class preparing data for Slack API.
      * @var SlackRecord
      */
-    private $slackRecord;
+    protected $slackRecord;
 
     /**
      * @param  string      $webhookUrl             Slack Webhook URL