diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c3947ef31..99b1f3304 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,8 @@ jobs:
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
+          - "3.14t"
           - "pypy-3.11"
     steps:
       - name: Checkout
diff --git a/ipykernel/shellchannel.py b/ipykernel/shellchannel.py
index 32f5f7399..8335e8887 100644
--- a/ipykernel/shellchannel.py
+++ b/ipykernel/shellchannel.py
@@ -26,7 +26,7 @@ def __init__(
         """Initialize the thread."""
         super().__init__(name=SHELL_CHANNEL_THREAD_NAME, **kwargs)
         self._manager: SubshellManager | None = None
-        self._context = context
+        self._zmq_context = context  # Avoid use of self._context
         self._shell_socket = shell_socket
 
         self.asyncio_lock = asyncio.Lock()
@@ -36,7 +36,7 @@ def manager(self) -> SubshellManager:
         # Lazy initialisation.
         if self._manager is None:
             self._manager = SubshellManager(
-                self._context,
+                self._zmq_context,
                 self.io_loop,
                 self._shell_socket,
             )