diff --git a/lib/RetailCrm/Methods/V5/Files.php b/lib/RetailCrm/Methods/V5/Files.php
index bc711ec..e5bb08e 100644
--- a/lib/RetailCrm/Methods/V5/Files.php
+++ b/lib/RetailCrm/Methods/V5/Files.php
@@ -159,27 +159,57 @@ trait Files
     /**
      * Edit file data
      *
+     * @param int $id file ID
      * @param array $file file data
      *
+     * $file = [
+     *     'filename' => 'Test file',
+     *     'attachment' => [
+     *         [
+     *             'customer' => [
+     *                  'id' => 1
+     *              ],
+     *              'order' => [
+     *                  'id' => 1
+     *              ]
+     *         ]
+     *     ]
+     * ];
+     *
      * @throws \InvalidArgumentException
      * @throws \RetailCrm\Exception\CurlException
      * @throws \RetailCrm\Exception\InvalidJsonException
      *
      * @return \RetailCrm\Response\ApiResponse
      */
-    public function fileEdit(array $file)
+    public function fileEdit($id, array $file)
     {
+        if (empty($id)) {
+            throw new \InvalidArgumentException(
+                'Parameter `id` can`t be blank'
+            );
+        }
+
         if (empty($file)) {
             throw new \InvalidArgumentException(
                 'Parameter `file` must contains a data'
             );
         }
 
+        $allowedFields = ['filename', 'attachment'];
+        foreach (array_keys($file) as $field) {
+            if (!in_array($field, $allowedFields)) {
+                throw new \InvalidArgumentException(
+                    'Invalid structure of `file` parameter'
+                );
+            }
+        }
+
         /* @noinspection PhpUndefinedMethodInspection */
         return $this->client->makeRequest(
-            sprintf('/files/%s/edit', $file['id']),
+            sprintf('/files/%s/edit', $id),
             "POST",
-            ['file' => json_encode($file)]
+            ['file' => json_encode($file), 'id' => $id]
         );
     }
 }
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientFilesTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientFilesTest.php
index e588180..c78a4a7 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientFilesTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientFilesTest.php
@@ -46,7 +46,6 @@ class ApiClientFilesTest extends TestCase
      */
     public function testFileUpload()
     {
-
         $client = static::getApiClient();
 
         $response = $client->request->fileUpload(__DIR__ . '/../../../Tests/Resources/Report.pdf');
@@ -67,6 +66,14 @@ class ApiClientFilesTest extends TestCase
 
         sleep(1);
 
+        $response = $client->request->fileEdit($fileId, ['filename' => 'Test file']);
+
+        static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
+        static::assertEquals(200, $response->getStatusCode());
+        static::assertTrue($response->isSuccessful());
+
+        sleep(1);
+
         $response = $client->request->fileDelete($fileId);
 
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -75,4 +82,12 @@ class ApiClientFilesTest extends TestCase
 
         sleep(1);
     }
+
+    public function testFileEditFailure()
+    {
+        static::expectExceptionObject(new \InvalidArgumentException('Invalid structure of `file` parameter'));
+        $client = static::getApiClient();
+
+        $client->request->fileEdit(1, ['file' => []]);
+    }
 }