diff --git a/docs/dev/01_setup.rst b/docs/dev/01_setup.rst
index 0a87516958bd8ebf6e0811e6273c50359fac659e..dd3121a822e53c603b21511b790f5ef6950f295a 100644
--- a/docs/dev/01_setup.rst
+++ b/docs/dev/01_setup.rst
@@ -120,4 +120,6 @@ development server against a local PostgreSQL database with password
 .. _Poetry: https://poetry.eustace.io/
 .. _Poetry installation methods: https://poetry.eustace.io/docs/#installation
 .. _Yarn: https://yarnpkg.com
+.. _PostgreSQL: https://www.postgresql.org/
+.. _Redis: https://redis.io/
 .. _Celery: https://celeryproject.org/