diff --git a/pyproject.toml b/pyproject.toml
index 985692043..20b85a198 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ defusedxml = "*"
 importlib-metadata = {version = ">=1.7.0", python = "<3.8"}
 importlib-resources = {python = "<3.9", version = "*"}
 paste = {optional = true, version = "*"}
-pyopenssl = "<24.3.0"
+pyopenssl = "<24.4.0"
 python-dateutil = "*"
 pytz = "*"
 "repoze.who" = {optional = true, version = "*"}