diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index ca6d111a..f27914fe 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,3 +1,3 @@
--keep class com.simplemobiletools.notes.pro.models.ChecklistItem {
+-keep class com.simplemobiletools.notes.pro.models.* {
     <fields>;
 }