diff --git a/setup.py b/setup.py
index 4d626a3..5a152d0 100644
--- a/setup.py
+++ b/setup.py
@@ -40,6 +40,7 @@
         "oauth2client >= 4.0.0",
         "PyYAML >= 3.0",
         # https://github.com/iterative/PyDrive2/issues/361
+        "cryptography<44",
         "pyOpenSSL >= 19.1.0, <=24.2.1",
     ],
     extras_require={