diff --git a/requirements.txt b/requirements.txt
index 36a39d0..ef4336c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 Babel==2.10.3
 badge==2020.12.3
 bleach==5.0.1
-certifi==2022.9.24
+certifi==2023.7.22
 charset-normalizer==2.1.1
 collective.checkdocs==0.2
 commonmark==0.9.1