diff --git a/app/src/main/res/raw/keep.xml b/app/src/main/res/raw/keep.xml
new file mode 100644
index 0000000..3b9412b
--- /dev/null
+++ b/app/src/main/res/raw/keep.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools"
+    tools:shrinkMode="strict" />