diff --git a/requirements.txt b/requirements.txt
index 1601d57..4c7cffa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 APScheduler==3.4.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 Flask==0.12.2