diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b98a39..930078c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## Version 1.8.5
+
+* **Features**
+  + Added support for opening PDF docuements in a seperate view controller.
+* **Bug Fixes**
+  + Fix the performance issue for attachmnet views.
+
 ## Version 1.8.4
 
 * **Features**
diff --git a/Sources/Scenes/Conversation/PDFPreviewViewController.swift b/Sources/Scenes/Conversation/PDFPreviewViewController.swift
index 929460c..1068edf 100644
--- a/Sources/Scenes/Conversation/PDFPreviewViewController.swift
+++ b/Sources/Scenes/Conversation/PDFPreviewViewController.swift
@@ -8,7 +8,6 @@
 import UIKit
 import PDFKit
 import PersistenceKit
-import SwiftUI
 
 @available(iOS 11.0, *)
 final class PDFPreviewViewController: UIViewController {