diff --git a/pyproject.toml b/pyproject.toml
index 2fdf02d77..1c3bae55b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -163,3 +163,4 @@ isort = "full"
 codespell = "full"
 jsonschema-gentypes = "minor"
 cryptography = "present"
+certifi = "present"