diff --git a/ADOPTERS.md b/ADOPTERS.md
index b9c0ed51..38286924 100644
--- a/ADOPTERS.md
+++ b/ADOPTERS.md
@@ -53,4 +53,5 @@ By supporting JSON Schema with a case study, you are documenting its success and
 | [Automatic Data Processing (ADP)](https://www.adp.com/) | [Jeremy Fiel](mailto:jeremy.fiel@adp.com?subject=I%20love%20JSON%20Schema%20too!) | [ADP Developer Resources](https://developers.adp.com/welcome) |
 | [Manfred](https://www.getmanfred.com/) | [David Bonilla](https://www.linkedin.com/in/dbonillaf/) | [The MAC is a standard open source format created by Manfred to define and share CVs](https://github.com/getmanfred/mac) |
 | [Cyclops](https://cyclops-ui.com/) | [Petar Cvitanović](https://www.linkedin.com/in/petar-cvit/) | [Cyclops is a powerful user interface for managing and interacting with Kubernetes clusters](https://cyclops-ui.com/blog/2023/11/13/JSON-schemas) |
-| [KrakenD](https://www.krakend.io/) | [Albert Lombarte](https://www.linkedin.com/in/alombarte/) | [KrakenD is a high-performance API Gateway offering JSON Schema validation in requests, responses, config validation, and documentation](https://www.krakend.io/blog/json-schema-use-case/) |
\ No newline at end of file
+| [KrakenD](https://www.krakend.io/) | [Albert Lombarte](https://www.linkedin.com/in/alombarte/) | [KrakenD is a high-performance API Gateway offering JSON Schema validation in requests, responses, config validation, and documentation](https://www.krakend.io/blog/json-schema-use-case/) |
+| [HAPI Specification](https://hapi-server.org/) | [Jeremy Faden](https://cottagesystems.com/) | [Server responses can be verified against a schema, accelerating development of correct servers](https://github.com/hapi-server/data-specification-schema) |