diff --git a/README.md b/README.md
index bf648195..f5735de0 100644
--- a/README.md
+++ b/README.md
@@ -1421,6 +1421,7 @@ _Libraries for working with JSON._
 - [mp](https://github.com/sanbornm/mp) - Simple cli email parser. It currently takes stdin and outputs JSON.
 - [OjG](https://github.com/ohler55/ojg) - Optimized JSON for Go is a high performance parser with a variety of additional JSON tools including JSONPath.
 - [omg.jsonparser](https://github.com/dedalqq/omg.jsonparser) - Simple JSON parser with validation by condition via golang struct fields tags.
+- [pjson](https://github.com/byrnedo/pjson) - Simple library to easily marshal/unmarshal tagged unions (discriminated unions).
 - [ujson](https://github.com/olvrng/ujson) - Fast and minimal JSON parser and transformer that works on unstructured JSON.
 - [vjson](https://github.com/miladibra10/vjson) - Go package for validating JSON objects with declaring a JSON schema with fluent API.