diff --git a/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/doc/requirements.txt b/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/doc/requirements.txt
index e3c77b0..eeb0e60 100644
--- a/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/doc/requirements.txt
+++ b/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/servant-quickcheck/doc/requirements.txt
@@ -3,7 +3,7 @@ argh==0.26.1
 Babel==2.9.1
 backports-abc==0.4
 backports.ssl-match-hostname==3.5.0.1
-certifi==2022.12.7
+certifi==2023.7.22
 CommonMark==0.5.4
 docutils==0.12
 Jinja2==3.1.3