diff --git a/INSTALL.md b/INSTALL.md
index 1c896b18..40902d35 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -214,6 +214,13 @@ Once you have ngrok working, edit the `.env` file and change the `SERVER_NAME` v
 
 ## Running PieFed in production
 
+Running PieFed in production relies on several additional packages that need to be installed.
+
+```bash
+source venv/bin/activate #if not already in virtual environment
+pip3 install gunicorn celery
+```
+
 Copy `celery_worker.default.py` to `celery_worker.py`. Edit `DATABASE_URL` and `SERVER_NAME` to have the same values as in `.env`.
 
 Edit `gunicorn.conf.py` and change `worker_tmp_dir` if needed.