diff --git a/requirements.txt b/requirements.txt
index c44a7dc..a66b533 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,10 +12,10 @@ django-polymorphic~=3.1.0
 django-tables2~=2.7.0
 djangorestframework~=3.14.0
 django-rest-polymorphic~=0.1.10
-gunicorn~=20.2.0
+gunicorn~=21.2.0
 odfpy~=1.4.1
 phonenumbers~=8.13.27
-psycopg2-binary~=3.1.17
+psycopg2-binary~=2.9.9
 pypdf~=3.17.4
 ipython~=8.20.0
 python-magic~=0.4.27