diff --git a/src/main/java/org/asamk/signal/JsonError.java b/src/main/java/org/asamk/signal/JsonError.java
index 5ef2cd7c..aaadc65b 100644
--- a/src/main/java/org/asamk/signal/JsonError.java
+++ b/src/main/java/org/asamk/signal/JsonError.java
@@ -1,10 +1,10 @@
 package org.asamk.signal;
 
-class JsonError {
+public class JsonError {
 
     String message;
 
-    JsonError(Throwable exception) {
+    public JsonError(Throwable exception) {
         this.message = exception.getMessage();
     }
 }
diff --git a/src/main/java/org/asamk/signal/JsonMessageEnvelope.java b/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
index 9971b011..75762071 100644
--- a/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
+++ b/src/main/java/org/asamk/signal/JsonMessageEnvelope.java
@@ -4,7 +4,7 @@ import org.whispersystems.signalservice.api.messages.SignalServiceContent;
 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 
-class JsonMessageEnvelope {
+public class JsonMessageEnvelope {
 
     String source;
     int sourceDevice;