diff --git a/IMPLEMENTATIONS.md b/IMPLEMENTATIONS.md
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--- a/IMPLEMENTATIONS.md
+++ b/IMPLEMENTATIONS.md
@@ -67,6 +67,7 @@ These tools are not endorsed by the OAI.
 | Exegesis | [github/exegesis-js/exegesis](https://github.com/exegesis-js/exegesis) | Node.js | OpenAPI 3 server-side framework for express and other frameworks.
 | PHP-CRUD-API | [github/mevdschee/php-crud-api](https://github.com/mevdschee/php-crud-api) | PHP | Automatic CRUD API with OpenAPI 3 docs
 | FastAPI | [github/tiangolo/fastapi](https://github.com/tiangolo/fastapi) | Python | OpenAPI 3 based, high performance, Python 3.6+ API framework with automatic data validation, serialization and great editor support.
+| Fastify OpenAPI v3 | [gitlab.com/m03geek/fastify-oas](https://gitlab.com/m03geek/fastify-oas) | Node.JS | Fastify OpenAPI v3+ plugin. Generates OpenAPI specification from fastify schemas and routes. Also serves swagger ui and spec in json/yaml formats.
 | openapi-backend | [github/anttiviljami/openapi-backend](https://github.com/anttiviljami/openapi-backend) | Node.js, TypeScript | Build, Validate, Route, and Mock in the backend using OpenAPI v3 spec in your favourite framework
 
 #### Client Implementations