diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4cf917..2d72101 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 4.0.0 - Unreleased
+## 4.0.0 - 2026-02-01
 
 - Organization support
 - Hyvor\Internal\Laravel\LogFake removed
diff --git a/bundle/src/Comms/Event/FromCore/License/LicenseChanged.php b/bundle/src/Comms/Event/FromCore/License/LicenseChanged.php
new file mode 100644
index 0000000..b2b27cc
--- /dev/null
+++ b/bundle/src/Comms/Event/FromCore/License/LicenseChanged.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Hyvor\Internal\Bundle\Comms\Event\FromCore\License;
+
+use Hyvor\Internal\Billing\License\Resolved\ResolvedLicense;
+use Hyvor\Internal\Bundle\Comms\Event\AbstractEvent;
+use Hyvor\Internal\Component\Component;
+
+class LicenseChanged extends AbstractEvent
+{
+
+    public function __construct(
+        private int $organizationId,
+        private Component $component, // this event is generally sent to this component
+        private ResolvedLicense $previousLicense,
+        private ResolvedLicense $newLicense,
+    ) {}
+
+    public function getOrganizationId(): int
+    {
+        return $this->organizationId;
+    }
+
+    public function getComponent(): Component
+    {
+        return $this->component;
+    }
+
+    public function getPreviousLicense(): ResolvedLicense
+    {
+        return $this->previousLicense;
+    }
+
+    public function getNewLicense(): ResolvedLicense
+    {
+        return $this->newLicense;
+    }
+
+    public function from(): array
+    {
+        return [Component::CORE];
+    }
+
+    public function to(): array
+    {
+       return [];
+    }
+
+}