diff --git a/CHANGELOG.md b/CHANGELOG.md
index 878ccf5..38bb96c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - Add anonymize action to `Envelope`
 - Add `AccountEmailSendersEndpoint` and `AccountEmailSender` resource
 
+### Changed
+- Change `EnvelopeDocument.file` to nullable
 
 ## [2.1.0] - 2023-07-12
 ### Added
diff --git a/src/Resource/EnvelopeDocument.php b/src/Resource/EnvelopeDocument.php
index 41ce4e1..b2a985d 100644
--- a/src/Resource/EnvelopeDocument.php
+++ b/src/Resource/EnvelopeDocument.php
@@ -14,7 +14,7 @@ class EnvelopeDocument extends BaseResource
 
     public ?string $metadata = null;
 
-    public File $file;
+    public ?File $file;
 
     /** @var Collection<EnvelopeTag> */
     public Collection $tags;