diff --git a/setup.py b/setup.py
index 7bc4ff0..e5f350d 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 install_requires = [
     "asn1crypto==1.5.1",
     "oscrypto==1.3.0",
-    "pyOpenSSL==21.0.0",
+    "pyOpenSSL==23.0.0",
 ]
 
 tests_require = [