diff --git a/docs/source/requirements.txt b/docs/source/requirements.txt
index 486aab0..481917e 100644
--- a/docs/source/requirements.txt
+++ b/docs/source/requirements.txt
@@ -5,7 +5,7 @@ autodoc==0.5.0
 Babel==2.9.1
 beautifulsoup4==4.9.1
 bleach==3.3.0
-certifi==2020.4.5.2
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 commonmark==0.9.1