diff --git a/docs/requirements.txt b/docs/requirements.txt
index c0bed69..7d78a34 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,7 +6,7 @@ attrs==19.1.0
 Babel==2.7.0
 black==18.9b0
 bleach==3.1.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 coverage==4.5.3