diff --git a/locust-article-material/requirements.txt b/locust-article-material/requirements.txt
index 2e91f98..4788367 100644
--- a/locust-article-material/requirements.txt
+++ b/locust-article-material/requirements.txt
@@ -1,5 +1,5 @@
 asgiref==3.4.1
-certifi==2021.5.30
+certifi==2022.12.7
 charset-normalizer==2.0.3
 click==8.0.1
 ConfigArgParse==1.5.1