[requires.io] dependency update on main branch
diff --git a/tox.ini b/tox.ini
index 104f27f3f1..8a5bfe1271 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,7 @@ deps =
   types-Werkzeug==1.0.2
   types-requests==2.25.0
   types-cryptography==3.3.3
-  types-pyOpenSSL==20.0.3
+  types-pyOpenSSL==20.0.4
 
 commands =
   mypy {posargs}
