diff --git a/requirements.txt b/requirements.txt
index eae9aff..d9bf4c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -i https://pypi.python.org/simple/
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 gevent==1.2.2
 greenlet==0.4.12