diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index 1f9f1e6..d6be2f5 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 Babel==2.9.0
 blis==0.4.1
 catalogue==1.0.0
-certifi==2020.12.5
+certifi==2022.12.7
 chardet==4.0.0
 click==7.1.2
 colorama==0.4.4