diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 306b486..dbe28f1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,6 +15,7 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
+        tools:replace="android:allowBackup"
         android:theme="@style/AppTheme.Light">
         <activity android:name=".QrCodeActivity" />
         <activity android:name=".PdfViewerActivity" />