diff --git a/requirements.txt b/requirements.txt
index f238ccd..e8c3dce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ alabaster==0.7.10
 appdirs==1.4.2
 astunparse==1.5.0
 Babel==2.5.1
-certifi==2017.11.5
+certifi==2023.7.22
 chardet==3.0.4
 docutils==0.14
 idna==2.6