diff --git a/requirements/dev.txt b/requirements/dev.txt
index a405095..66b6421 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -13,7 +13,7 @@ mypy
 
 pre-commit
 setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability
-certifi>=2024.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
+certifi>=2023.7.22 # not directly required, pinned by Snyk to avoid a vulnerability
 pygments>=2.15.0 # not directly required, pinned by Snyk to avoid a vulnerability
 requests>=2.32.4 # not directly required, pinned by Snyk to avoid a vulnerability
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability