diff --git a/app/src/main/res/raw/keep.xml b/app/src/main/res/raw/keep.xml
new file mode 100644
index 000000000..a82d4ef88
--- /dev/null
+++ b/app/src/main/res/raw/keep.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (c) 2024 Hai Zhang <dreaming.in.code.zh@gmail.com>
+  ~ All Rights Reserved.
+  -->
+
+<resources
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:keep="@style/Theme.MaterialFiles*" />