diff --git a/requirements.txt b/requirements.txt
index 17620d9..16dda40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 APScheduler==3.6.3 # python-telegram-bot depends on this version
-certifi==2022.6.15
+certifi==2022.12.7
 cffi==1.15.0
 chardet==4.0.0
 cryptography==37.0.2