diff --git a/tests/pico-fido/test_020_register.py b/tests/pico-fido/test_020_register.py
index 6a3ab73..378a13e 100644
--- a/tests/pico-fido/test_020_register.py
+++ b/tests/pico-fido/test_020_register.py
@@ -20,6 +20,7 @@
 
 from fido2.client import CtapError
 from fido2.cose import ES256, ES384, ES512
+from utils import ES256K
 import pytest
 
 
@@ -121,7 +122,7 @@ def test_bad_type_pubKeyCredParams(device):
         device.doMC(key_params=["wrong"])
 
 @pytest.mark.parametrize(
-    "alg", [ES256.ALGORITHM, ES384.ALGORITHM, ES512.ALGORITHM]
+    "alg", [ES256.ALGORITHM, ES384.ALGORITHM, ES512.ALGORITHM, ES256K.ALGORITHM]
 )
 def test_algorithms(device, info, alg):
     if ({'alg': alg, 'type': 'public-key'} in info.algorithms):
diff --git a/tests/pico-fido/test_021_authenticate.py b/tests/pico-fido/test_021_authenticate.py
index 9de69bf..433adca 100644
--- a/tests/pico-fido/test_021_authenticate.py
+++ b/tests/pico-fido/test_021_authenticate.py
@@ -20,7 +20,7 @@
 
 from fido2.client import CtapError
 from fido2.cose import ES256, ES384, ES512
-from utils import verify
+from utils import verify, ES256K
 import pytest
 
 def test_authenticate(device):
@@ -49,7 +49,7 @@ def test_empty_allowList(device):
     assert e.value.code == CtapError.ERR.NO_CREDENTIALS
 
 @pytest.mark.parametrize(
-    "alg", [ES256.ALGORITHM, ES384.ALGORITHM, ES512.ALGORITHM]
+    "alg", [ES256.ALGORITHM, ES384.ALGORITHM, ES512.ALGORITHM, ES256K.ALGORITHM]
 )
 def test_algorithms(device, info, alg):
     if ({'alg': alg, 'type': 'public-key'} in info.algorithms):