diff --git a/src/nipanel/_panel_client.py b/src/nipanel/_panel_client.py
index 9e62763..bfcdecb 100644
--- a/src/nipanel/_panel_client.py
+++ b/src/nipanel/_panel_client.py
@@ -4,7 +4,7 @@
 
 import logging
 import threading
-from typing import TYPE_CHECKING, Callable, TypeVar
+from typing import TypeVar, Callable
 
 import grpc
 from ni.pythonpanel.v1.python_panel_service_pb2 import OpenPanelRequest
@@ -12,13 +12,10 @@
 from ni_measurement_plugin_sdk_service.discovery import DiscoveryClient
 from ni_measurement_plugin_sdk_service.grpc.channelpool import GrpcChannelPool
 
-_T = TypeVar("_T")
-
-if TYPE_CHECKING:
-    from typing_extensions import ParamSpec
-
-    _P = ParamSpec("_P")
+from nipanel._typing import ParamSpec
 
+_P = ParamSpec("_P")
+_T = TypeVar("_T")
 
 _logger = logging.getLogger(__name__)
 
diff --git a/src/nipanel/_typing.py b/src/nipanel/_typing.py
new file mode 100644
index 0000000..59817c5
--- /dev/null
+++ b/src/nipanel/_typing.py
@@ -0,0 +1,25 @@
+"""Single source for typing backports to avoid depending on typing_extensions at run time."""
+
+from __future__ import annotations
+
+import sys
+from typing import TYPE_CHECKING
+
+if sys.version_info >= (3, 11):
+    from typing import Self
+elif TYPE_CHECKING:
+    from typing_extensions import Self
+else:
+    Self = None
+
+if sys.version_info >= (3, 10):
+    from typing import ParamSpec
+elif TYPE_CHECKING:
+    from typing_extensions import ParamSpec
+else:
+    from typing import TypeVar as ParamSpec
+
+__all__ = [
+    "Self",
+    "ParamSpec",
+]