diff --git a/ui/proguard-rules.pro b/ui/proguard-rules.pro
index 4e7b3d9..8eabaf8 100644
--- a/ui/proguard-rules.pro
+++ b/ui/proguard-rules.pro
@@ -1,3 +1,6 @@
 # Squelch all warnings, they're harmless but ProGuard
 # escalates them as errors.
 -dontwarn sun.misc.Unsafe
+
+# Retain some information to keep stacktraces usable
+-keepattributes SourceFile,LineNumberTable