diff --git a/src/SalesChamp/Webhooks/Authenticator.php b/src/SalesChamp/Webhooks/Authenticator.php
index 727bcc8..e2a1b5c 100644
--- a/src/SalesChamp/Webhooks/Authenticator.php
+++ b/src/SalesChamp/Webhooks/Authenticator.php
@@ -41,6 +41,6 @@ public function sign($body)
 	 */
 	public function verify($signature, $body)
 	{
-		return $signature === $this->sign($body);
+		return hash_equals($this->sign($body), $signature);
 	}
 }