diff --git a/requirements.txt b/requirements.txt
index 6c70e1c..5c52cc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 -i https://pypi.org/simple/
 alabaster==0.7.12
 babel==2.9.1
-certifi==2021.5.30
+certifi==2022.12.7
 chardet==4.0.0
 commonmark==0.9.1
 docutils==0.17.1