diff --git a/android-app/proguard-debug.cfg b/android-app/proguard-debug.cfg
index 12a5e548..965e6ad2 100644
--- a/android-app/proguard-debug.cfg
+++ b/android-app/proguard-debug.cfg
@@ -85,37 +85,35 @@
 #*********************************************************************
 #
 
-# we need line numbers in our stack traces otherwise they are pretty useless
--renamesourcefileattribute SourceFile
--keepattributes SourceFile,LineNumberTable
-
-# ACRA needs "annotations" so add this...
--keepattributes *Annotation*
-
 # keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'.
 # Note: if you are removing log messages elsewhere in this file then this isn't necessary
 -keep class org.acra.ACRA {
-    	*;
+    *;
 }
 
--keep class org.acra.ReportField {
-    	*;
-}
-
-
 # keep this around for some enums that ACRA needs
 -keep class org.acra.ReportingInteractionMode {
-   *;
+    *;
+}
+
+-keepnames class org.acra.sender.HttpSender$** {
+    *;
+}
+
+-keepnames class org.acra.ReportField {
+    *;
 }
 
 # keep this otherwise it is removed by ProGuard
 -keep public class org.acra.ErrorReporter
 {
-public void addCustomData(java.lang.String,java.lang.String);
+    public void addCustomData(java.lang.String,java.lang.String);
+    public void putCustomData(java.lang.String,java.lang.String);
+    public void removeCustomData(java.lang.String);
 }
 
 # keep this otherwise it is removed by ProGuard
 -keep public class org.acra.ErrorReporter
 {
-public org.acra.ErrorReporter$ReportsSenderWorker handleSilentException(java.lang.Throwable);
-}
+    public void handleSilentException(java.lang.Throwable);
+}
\ No newline at end of file
diff --git a/android-app/proguard.cfg b/android-app/proguard.cfg
index a62000ad..4931cac7 100644
--- a/android-app/proguard.cfg
+++ b/android-app/proguard.cfg
@@ -99,37 +99,35 @@
 #*********************************************************************
 #
 
-# we need line numbers in our stack traces otherwise they are pretty useless
--renamesourcefileattribute SourceFile
--keepattributes SourceFile,LineNumberTable
-
-# ACRA needs "annotations" so add this...
--keepattributes *Annotation*
-
 # keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'.
 # Note: if you are removing log messages elsewhere in this file then this isn't necessary
 -keep class org.acra.ACRA {
-    	*;
+    *;
 }
 
--keep class org.acra.ReportField {
-    	*;
-}
-
-
 # keep this around for some enums that ACRA needs
 -keep class org.acra.ReportingInteractionMode {
-   *;
+    *;
+}
+
+-keepnames class org.acra.sender.HttpSender$** {
+    *;
+}
+
+-keepnames class org.acra.ReportField {
+    *;
 }
 
 # keep this otherwise it is removed by ProGuard
 -keep public class org.acra.ErrorReporter
 {
-public void addCustomData(java.lang.String,java.lang.String);
+    public void addCustomData(java.lang.String,java.lang.String);
+    public void putCustomData(java.lang.String,java.lang.String);
+    public void removeCustomData(java.lang.String);
 }
 
 # keep this otherwise it is removed by ProGuard
 -keep public class org.acra.ErrorReporter
 {
-public org.acra.ErrorReporter$ReportsSenderWorker handleSilentException(java.lang.Throwable);
-}
+    public void handleSilentException(java.lang.Throwable);
+}
\ No newline at end of file