diff --git a/README.md b/README.md
index 219d42b..9c9d6da 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ Hasql is not just a single library, it is a granular ecosystem of composable lib
 
 * "hasql-migration" - an abstraction over the migration strategies. *Yet to be released.*
 
+* ["hasql-optparse-applicative"](https://github.com/sannsyn/hasql-optparse-applicative) - "optparse-applicative" parsers for Hasql.
+
 ### Benefits of being an ecosystem
 
 * **Simplicity.** Each library in isolation provides a simple API, which is trivial to comprehend.