diff --git a/django_gunicorn_pgsql/requirements.txt b/django_gunicorn_pgsql/requirements.txt
index 5901263..ea12556 100644
--- a/django_gunicorn_pgsql/requirements.txt
+++ b/django_gunicorn_pgsql/requirements.txt
@@ -2,7 +2,7 @@ Django==2.2.13
 Jinja2==2.10.3
 MarkupSafe==1.1.1
 PyYAML==5.1.2
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4