diff --git a/requirements.txt b/requirements.txt
index 4738fb1..6613fa9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.10
 APScheduler==3.5.1
 argh==0.26.2
 Babel==2.5.3
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 dateparser==0.7.0
 dateutils==0.6.6