diff --git a/filcnaplo/android/app/src/main/AndroidManifest.xml b/filcnaplo/android/app/src/main/AndroidManifest.xml
index 2877685..1a19772 100644
--- a/filcnaplo/android/app/src/main/AndroidManifest.xml
+++ b/filcnaplo/android/app/src/main/AndroidManifest.xml
@@ -62,6 +62,7 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
diff --git a/filcnaplo/lib/helpers/update_helper.dart b/filcnaplo/lib/helpers/update_helper.dart
index 2199124..5aec576 100644
--- a/filcnaplo/lib/helpers/update_helper.dart
+++ b/filcnaplo/lib/helpers/update_helper.dart
@@ -6,6 +6,7 @@ import 'package:filcnaplo/api/client.dart';
 import 'package:filcnaplo/helpers/storage_helper.dart';
 import 'package:filcnaplo/models/release.dart';
 import 'package:open_file/open_file.dart';
+import 'package:permission_handler/permission_handler.dart';
 
 enum UpdateState { none, preparing, downloading, installing }
 
@@ -32,12 +33,17 @@ extension UpdateHelper on Release {
 
     updateCallback(-1, UpdateState.installing);
 
-    var result = await OpenFile.open(apk.path);
+    var permStatus =
+        (await Permission.manageExternalStorage.request().isGranted &&
+            await Permission.requestInstallPackages.request().isGranted);
+    if (permStatus) {
+      var result = await OpenFile.open(apk.path);
 
-    if (result.type != ResultType.done) {
-      // ignore: avoid_print
-      print("ERROR: installUpdate.openFile: ${result.message}");
-      throw result.message;
+      if (result.type != ResultType.done) {
+        // ignore: avoid_print
+        print("ERROR: installUpdate.openFile: ${result.message}");
+        throw result.message;
+      }
     }
 
     updateCallback(-1, UpdateState.none);
diff --git a/filcnaplo/pubspec.yaml b/filcnaplo/pubspec.yaml
index 3e9cbc2..183792a 100644
--- a/filcnaplo/pubspec.yaml
+++ b/filcnaplo/pubspec.yaml
@@ -3,7 +3,7 @@ description: "Nem hivatalos e-napló alkalmazás az e-Kréta rendszerhez"
 homepage: https://refilc.hu
 publish_to: "none"
 
-version: 4.1.1+215
+version: 4.1.1+216
 
 environment:
   sdk: ">=2.17.0 <3.0.0"