diff --git a/trydjango1-11/src/requirements.txt b/trydjango1-11/src/requirements.txt
index ac7f751..8c548af 100644
--- a/trydjango1-11/src/requirements.txt
+++ b/trydjango1-11/src/requirements.txt
@@ -2,7 +2,7 @@ amqp==2.2.2
 arrow==0.10.0
 billiard==3.5.0.3
 celery==4.0.2
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.4.1
 dj-database-url==0.4.2