diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 3820b739..1d72bf89 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -25,6 +25,7 @@
 -keep class pl.szczodrzynski.edziennik.data.db.entity.Event { *; }
 -keep class pl.szczodrzynski.edziennik.data.db.full.EventFull { *; }
 -keep class pl.szczodrzynski.edziennik.data.db.entity.FeedbackMessage { *; }
+-keep class pl.szczodrzynski.edziennik.data.db.entity.Note { *; }
 -keep class pl.szczodrzynski.edziennik.ui.home.HomeCardModel { *; }
 -keepclassmembers class pl.szczodrzynski.edziennik.ui.widgets.WidgetConfig { public *; }
 -keepnames class pl.szczodrzynski.edziennik.ui.widgets.timetable.WidgetTimetableProvider