diff --git a/requirements.txt b/requirements.txt
index 3a0bf5a..fe3bebb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ beautifulsoup4==4.9.3
     # via PostMaster (setup.py)
 boto==2.49.0
     # via PostMaster (setup.py)
-certifi==2020.6.20
+certifi==2022.12.7
     # via requests
 chardet==3.0.4
     # via requests