diff --git a/tests/requirements.txt b/tests/requirements.txt
index 9b2e1fe..2df64b3 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,7 +1,7 @@
 autopep8==1.5.4
 bleach==3.3.0
 bumpversion==0.6.0
-certifi==2020.12.5
+certifi==2023.7.22
 chardet==4.0.0
 Django==3.1.7
 docutils==0.16