diff --git a/README.md b/README.md
index 872a8001..bdb0b34a 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ It uses the same internal APIs as `adb backup` which is deprecated and thus need
 * `android.permission.MANAGE_DOCUMENTS` to retrieve the available storage roots. 
 * `android.permission.MANAGE_USB` to access the serial number of USB mass storage devices.
 * `android.permission.WRITE_SECURE_SETTINGS` to change system backup settings and enable call log backup.
+* `android.permission.QUERY_ALL_PACKAGES` to get information about all installed apps for backup.
 * `android.permission.INSTALL_PACKAGES` to re-install apps when restoring from backup.
 
 ## Contributing
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f8b93c07..92b6f21d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -33,6 +33,11 @@
          to allow the user to uninstall an app when storage was not plugged in during install -->
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
 
+    <!-- Getting info about installed packages via PackageManager is restricted since Android 11
+         We need to know what is installed, with what signatures, etc. for APK backup,
+         triggering manual backup and other tasks -->
+    <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
+
     <application
         android:name=".App"
         android:allowBackup="false"