diff --git a/iat-verifier/setup.py b/iat-verifier/setup.py
index db7c1ef..26b96a0 100644
--- a/iat-verifier/setup.py
+++ b/iat-verifier/setup.py
@@ -23,7 +23,7 @@
         'cbor2',
         'cryptography',
         'ecdsa',
-        'pycose>=0.1.2',
+        'pycose==0.1.2',
         'pyyaml',
     ],
 )