diff --git a/requirements-dev-full.txt b/requirements-dev-full.txt
index 3a45cce..dbc8570 100644
--- a/requirements-dev-full.txt
+++ b/requirements-dev-full.txt
@@ -21,7 +21,7 @@ build==1.2.1
     # via pip-tools
 certifi==2024.6.2
     # via requests
-cffi==1.16.0
+cffi==1.17.0
     # via cryptography
 charset-normalizer==3.3.2
     # via requests
diff --git a/tests/test_connection.py b/tests/test_connection.py
index 7401554..3569f2f 100644
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -84,7 +84,7 @@
 if _TRIO_MULTI_ERROR:
     EXCEPTION_GROUP_TYPE = trio.MultiError  # type: ignore[attr-defined]  # pylint: disable=no-member
 else:
-    EXCEPTION_GROUP_TYPE = BaseExceptionGroup
+    EXCEPTION_GROUP_TYPE = BaseExceptionGroup  # pylint: disable=possibly-used-before-assignment
 
 WS_PROTO_VERSION = tuple(map(int, wsproto.__version__.split('.')))