diff --git a/requirements.txt b/requirements.txt
index 2ffcfb7..fbcd9a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 -i https://pypi.org/simple
 alabaster==0.7.12
 babel==2.8.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 commonmark==0.9.1
 docutils==0.16