diff --git a/proguard.flags b/proguard.flags
index 492404c..d1c97f3 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -65,3 +65,6 @@
 -keep class androidx.window.extensions.** { *; }
 -dontwarn androidx.window.extensions.**
 -keep class androidx.window.** { *; }
+
+# Keep the com.android.settings.media_drm.FakeFeatureFlagsImpl
+-keep class com.android.settings.media_drm.FakeFeatureFlagsImpl { *; }