diff --git a/readme.md b/readme.md
index 3e36b9b..e706fc0 100644
--- a/readme.md
+++ b/readme.md
@@ -574,6 +574,7 @@
 - [schema-inspector](https://github.com/schema-inspector/schema-inspector) - JSON API sanitization and validation.
 - [ajv](https://github.com/ajv-validator/ajv) - The fastest JSON Schema validator. Supports v5, v6 and v7 proposals.
 - [Superstruct](https://github.com/ianstormtaylor/superstruct) - Simple and composable way to validate data in JavaScript (and TypeScript).
+- [yup](https://github.com/jquense/yup) - Object schema validation.
 
 ### Parsing