diff --git a/apps/flipcash/app/proguard-rules.pro b/apps/flipcash/app/proguard-rules.pro
index 90a2fc84d..8b186bfe6 100644
--- a/apps/flipcash/app/proguard-rules.pro
+++ b/apps/flipcash/app/proguard-rules.pro
@@ -3,6 +3,9 @@
 -obfuscationdictionary shuffled-dictionary.txt
 -classobfuscationdictionary shuffled-dictionary.txt
 
+# Preserve source file names and line numbers for stack traces (call site tracking, Bugsnag)
+-keepattributes SourceFile,LineNumberTable
+
 # Keep screen names
 -keepnames class * implements cafe.adriel.voyager.core.screen.Screen