diff --git a/doc/requirements.txt b/doc/requirements.txt
index 9ed474c..4de67bc 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,7 +4,7 @@ autograd==1.4
 autoray
 Babel==2.10.1
 cachetools==5.0.0
-certifi==2021.10.8
+certifi==2024.7.4
 charset-normalizer==2.0.12
 docutils==0.17.1
 future==0.18.2
diff --git a/requirements.txt b/requirements.txt
index 97f6a11..eae1c8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appdirs==1.4.4
 autograd==1.4
 autoray==0.2.5
 cachetools==5.0.0
-certifi==2021.10.8
+certifi==2024.7.4
 charset-normalizer==2.0.12
 future==0.18.2
 idna==3.3