diff --git a/CHANGELOG.md b/CHANGELOG.md
index b157948..2ee2d13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to `laravel-webhook-client` will be documented in this file
 
+## 2.0.1 - 2019-07-08
+
+- make `signing_secret` and `signature_header_name` config keys optional
+
 ## 2.0.0 - 2019-07-08
 
 - `DefaultSignatureValidator` is now responsible for verifying that a signature header has been set
diff --git a/src/WebhookConfig.php b/src/WebhookConfig.php
index c2b7869..f6e2437 100644
--- a/src/WebhookConfig.php
+++ b/src/WebhookConfig.php
@@ -33,9 +33,9 @@ public function __construct(array $properties)
     {
         $this->name = $properties['name'];
 
-        $this->signingSecret = $properties['signing_secret'];
+        $this->signingSecret = $properties['signing_secret'] ?? '';
 
-        $this->signatureHeaderName = $properties['signature_header_name'];
+        $this->signatureHeaderName = $properties['signature_header_name'] ?? '';
 
         if (! is_subclass_of($properties['signature_validator'], SignatureValidator::class)) {
             throw InvalidConfig::invalidSignatureValidator($properties['signature_validator']);