diff --git a/src/ForbidSerialization.php b/src/ForbidSerialization.php
index fed8478e..e40ee131 100644
--- a/src/ForbidSerialization.php
+++ b/src/ForbidSerialization.php
@@ -8,4 +8,9 @@ final public function __serialize(): never
     {
         throw new \Error(__CLASS__ . ' does not support serialization');
     }
+
+    final public function __unserialize(array $data): never
+    {
+        throw new \Error(__CLASS__ . ' does not support deserialization');
+    }
 }