diff --git a/composer.json b/composer.json
index 61760fb1..11482eb8 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "spatie/laravel-query-builder": "^5.5",
         "spatie/laravel-settings": "^3.2",
         "spatie/laravel-webhook-server": "^3.8",
-        "timacdonald/json-api": "^v1.0.0-beta.4",
+        "timacdonald/json-api": "^1.0.0-beta.4",
         "twig/twig": "^3.0"
     },
     "require-dev": {
diff --git a/src/Cachet.php b/src/Cachet.php
index 115ea839..324a2018 100644
--- a/src/Cachet.php
+++ b/src/Cachet.php
@@ -15,6 +15,11 @@ class Cachet
      */
     public const USER_AGENT = 'Cachet/3.0 (+https://docs.cachethq.io)';
 
+    /**
+     * The user agent used by Cachet's webhooks.
+     */
+    public const WEBHOOK_USER_AGENT = 'Cachet/3.0 Webhook (+https://docs.cachethq.io)';
+
     /**
      * Get the current user using `cachet.guard`.
      */
diff --git a/src/Models/WebhookSubscription.php b/src/Models/WebhookSubscription.php
index 0002f44a..0151780c 100644
--- a/src/Models/WebhookSubscription.php
+++ b/src/Models/WebhookSubscription.php
@@ -2,6 +2,7 @@
 
 namespace Cachet\Models;
 
+use Cachet\Cachet;
 use Cachet\Database\Factories\WebhookSubscriptionFactory;
 use Cachet\Enums\WebhookEventEnum;
 use Illuminate\Database\Eloquent\Builder;
@@ -62,6 +63,9 @@ public function makeCall(WebhookEventEnum $event, array $payload): WebhookCall
     {
         return WebhookCall::create()
             ->url($this->url)
+            ->withHeaders([
+                'User-Agent' => Cachet::WEBHOOK_USER_AGENT,
+            ])
             ->payload([
                 'event' => $event->value,
                 'body' => $payload,