diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index b7420a70..a014757c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -8,6 +8,7 @@
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
 # Add any project specific keep options here:
+-keepattributes LineNumberTable,SourceFile
 
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface