diff --git a/src/Eloquent/Model.php b/src/Eloquent/Model.php
index f7b4f1f36..b9f87e1ad 100644
--- a/src/Eloquent/Model.php
+++ b/src/Eloquent/Model.php
@@ -319,6 +319,34 @@ protected function fromDecimal($value, $decimals)
         return new Decimal128($this->asDecimal($value, $decimals));
     }
 
+    /**
+     * Convert MongoDB objects to their string representations.
+     *
+     * This method converts MongoDB related objects (ObjectID, Binary, UTCDateTime)
+     * to their serialized representations, ensuring the values can be correctly
+     * serialized when the model is converted to JSON.
+     *
+     * @param mixed $value The value to convert
+     *
+     * @return mixed
+     */
+    protected function convertMongoObjects(mixed $value): mixed
+    {
+        if ($value instanceof ObjectID) {
+            $value = (string) $value;
+        } elseif ($value instanceof Binary) {
+            $value = (string) $value->getData();
+        } elseif ($value instanceof UTCDateTime) {
+            $value = $this->serializeDate($value->toDateTime());
+        } elseif (is_array($value)) {
+            foreach ($value as &$nestedValue) {
+                $nestedValue = $this->convertMongoObjects($nestedValue);
+            }
+        }
+
+        return $value;
+    }
+
     /** @inheritdoc */
     public function attributesToArray()
     {
@@ -329,11 +357,7 @@ public function attributesToArray()
         // of mimics the SQL behaviour so that dates are formatted
         // nicely when your models are converted to JSON.
         foreach ($attributes as $key => &$value) {
-            if ($value instanceof ObjectID) {
-                $value = (string) $value;
-            } elseif ($value instanceof Binary) {
-                $value = (string) $value->getData();
-            }
+            $value = $this->convertMongoObjects($value);
         }
 
         return $attributes;
diff --git a/tests/EmbeddedRelationsTest.php b/tests/EmbeddedRelationsTest.php
index 2dd558679..d4d54bd48 100644
--- a/tests/EmbeddedRelationsTest.php
+++ b/tests/EmbeddedRelationsTest.php
@@ -33,6 +33,7 @@ public function tearDown(): void
         Client::truncate();
         Group::truncate();
         Photo::truncate();
+        Address::truncate();
     }
 
     public function testEmbedsManySave()
@@ -945,4 +946,16 @@ public function testGetQueueableRelationsEmbedsOne()
         $this->assertEquals(['father'], $user->getQueueableRelations());
         $this->assertEquals([], $user->father->getQueueableRelations());
     }
+
+    public function testEmbedManySerialization()
+    {
+        $address = new Address(['country' => 'France']);
+        $address->save();
+
+        $address->addresses()->create(['city' => 'Paris']);
+        $address->addresses()->create(['city' => 'Nice']);
+
+        $results = $address->toArray();
+        $this->assertIsString($results['addresses'][0]['_id']);
+    }
 }