diff --git a/requirements/requirements.in b/requirements/requirements.in
index 436b668dfd..b0d3e1f611 100644
--- a/requirements/requirements.in
+++ b/requirements/requirements.in
@@ -35,7 +35,7 @@ openshift
 pexpect==4.7.0 # see library notes
 prometheus_client
 psycopg2
-psycopg
+psycopg  # psycopg3 is used to listen for pg_notify messages from web servers in awx.main.wsrelay where asyncio is used
 psutil
 pygerduty
 pyparsing==2.4.6  # Upgrading to v3 of pyparsing introduce errors on smart host filtering: Expected 'or' term, found 'or'  (at char 15), (line:1, col:16)