diff --git a/requirements.txt b/requirements.txt
index 99228ab..6cb68a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2022.12.7
 pdhttp==1.6.0
 python-dateutil==2.8.0
 six>=1.10.0