diff --git a/doc/requirements.txt b/doc/requirements.txt
index 2a9f447..697f1e4 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,7 +4,7 @@ autograd==1.4
 autoray==0.3.2
 Babel==2.10.3
 cachetools==5.2.0
-certifi==2022.5.18.1
+certifi==2022.12.7
 charset-normalizer==2.0.12
 docutils==0.18.1
 future==0.18.2