diff --git a/doc-requirements.txt b/doc-requirements.txt
index b7650cb..f1e6cd7 100644
--- a/doc-requirements.txt
+++ b/doc-requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.13
 Babel==2.11.0
-certifi==2022.12.7
+certifi==2023.7.22
 charset-normalizer==3.0.1
 docutils==0.17.1
 idna==3.4