diff --git a/setup.py b/setup.py
index f5d5cd3..989c647 100644
--- a/setup.py
+++ b/setup.py
@@ -37,6 +37,6 @@
         "requests>=2.11.1",
     ],
     extras_require={
-        "fido2": ["fido2>=0.9.3"]
+        "fido2": ["fido2==0.9.3"]
     }
 )