diff --git a/requirements.txt b/requirements.txt
index 4bea866..9a06585 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Babel==2.0
 backports.ssl-match-hostname==3.4.0.2
 billiard==3.3.0.20
 celery==3.1.18
-certifi==2015.4.28
+certifi==2022.12.7
 dj-database-url==0.3.0
 dj-static==0.0.6
 Django==1.9.8