diff --git a/setup.py b/setup.py
index 65122b647b..9c48f19e0b 100644
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,6 @@
     ],
     extras_require={
         "hiredis": ["hiredis>=1.0.0"],
-        "ocsp": ["cryptography>=36.0.1", "pyopenssl==20.0.1", "requests>=2.26.0"],
+        "ocsp": ["cryptography>=36.0.1", "pyopenssl==24.0.0", "requests>=2.26.0"],
     },
 )