diff --git a/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonAvroConverter.java b/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonAvroConverter.java
index d821000..c577a58 100644
--- a/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonAvroConverter.java
+++ b/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonAvroConverter.java
@@ -21,8 +21,10 @@
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.Serializable;
 
-public class JsonAvroConverter {
+public class JsonAvroConverter implements Serializable {
+    private static final long serialVersionUID = 9007270280918300540L;
     private JsonGenericRecordReader recordReader;
 
     public JsonAvroConverter() {
diff --git a/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonGenericRecordReader.java b/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonGenericRecordReader.java
index 754e1a0..629a6a4 100644
--- a/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonGenericRecordReader.java
+++ b/converter/src/main/java/tech/allegro/schema/json2avro/converter/JsonGenericRecordReader.java
@@ -1,5 +1,6 @@
 package tech.allegro.schema.json2avro.converter;
 
+import java.io.Serializable;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 import org.apache.avro.AvroRuntimeException;
@@ -24,8 +25,9 @@
 import static tech.allegro.schema.json2avro.converter.AvroTypeExceptions.typeException;
 import static tech.allegro.schema.json2avro.converter.AvroTypeExceptions.unionException;
 
-public class JsonGenericRecordReader {
+public class JsonGenericRecordReader implements Serializable {
     private static final Object INCOMPATIBLE = new Object();
+    private static final long serialVersionUID = 4645457833824828111L;
     private final ObjectMapper mapper;
     private final UnknownFieldListener unknownFieldListener;