diff --git a/sld-schedule/requirements.txt b/sld-schedule/requirements.txt
index 90313fe8..3a4c46dd 100644
--- a/sld-schedule/requirements.txt
+++ b/sld-schedule/requirements.txt
@@ -1,7 +1,7 @@
 anyio==3.6.2
 APScheduler==3.9.1.post1
 asgiref==3.5.2
-certifi==2022.9.24
+certifi==2022.12.7
 chardet==5.1.0
 charset-normalizer==2.1.1
 click==8.1.3