diff --git a/requirements.txt b/requirements.txt
index 0e317a6..540b020 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 gevent==1.2.2
 greenlet==0.4.13