diff --git a/controller/database.py b/controller/database.py
index 723f90c..f4f0d03 100644
--- a/controller/database.py
+++ b/controller/database.py
@@ -1,3 +1,6 @@
+#extra_requirements:
+#psycopg2-binary
+
 import psycopg2
 import json
 from contextlib import contextmanager