diff --git a/test_reqs.txt b/test_reqs.txt
index c3bac81..9f6c329 100644
--- a/test_reqs.txt
+++ b/test_reqs.txt
@@ -29,7 +29,7 @@ charset_normalizer==3.3.2  # requests
 urllib3==2.2.2  # requests
 requests==2.32.3  # pylti1p3
 pyjwt==2.9.0  # pylti1p3
-cffi==1.16.0  # cryptography
+cffi==1.17.0  # cryptography
 cryptography==43.0.0  # jwcrypto
 jwcrypto==1.5.6  # pylti1p3
 pylti1p3==2.0.0