diff --git a/requirements.txt b/requirements.txt
index 468929b..f9ea30c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 -e git://github.com/sphinx-contrib/youtube.git#egg=sphinxcontrib.youtubealabaster==0.7.12
 Babel==2.8.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.16
 idna==2.9