diff --git a/README.md b/README.md
index 386ac566c6604555937e5d69a7aec1ec1042cb44..4f29493f127a3471bfe627e4fd1e89dc166738ca 100644
--- a/README.md
+++ b/README.md
@@ -77,3 +77,4 @@ Scallop Argument Parsing: https://github.com/scallop/scallop/wiki
 
 Spark Resilient Distributed Dataset (RDD): https://spark.apache.org/docs/3.0.1/api/scala/org/apache/spark/rdd/RDD.html
 
+JSON Serialization: https://github.com/json4s/json4s#serialization