diff --git a/daemon/core/api/grpc/client.py b/daemon/core/api/grpc/client.py
index a1559d64..c66b5b7c 100644
--- a/daemon/core/api/grpc/client.py
+++ b/daemon/core/api/grpc/client.py
@@ -4,10 +4,11 @@ gRpc client for interfacing with CORE.
 
 import logging
 import threading
+from collections.abc import Callable, Generator, Iterable
 from contextlib import contextmanager
 from pathlib import Path
 from queue import Queue
-from typing import Any, Callable, Dict, Generator, Iterable, List, Optional, Tuple
+from typing import Any, Optional
 
 import grpc
 
@@ -235,7 +236,7 @@ class CoreGrpcClient:
 
     def start_session(
         self, session: wrappers.Session, definition: bool = False
-    ) -> Tuple[bool, List[str]]:
+    ) -> tuple[bool, list[str]]:
         """
         Start a session.
 
@@ -285,7 +286,7 @@ class CoreGrpcClient:
         response = self.stub.DeleteSession(request)
         return response.result
 
-    def get_sessions(self) -> List[wrappers.SessionSummary]:
+    def get_sessions(self) -> list[wrappers.SessionSummary]:
         """
         Retrieves all currently known sessions.
 
@@ -354,7 +355,7 @@ class CoreGrpcClient:
         self,
         session_id: int,
         handler: Callable[[wrappers.Event], None],
-        events: List[wrappers.EventType] = None,
+        events: list[wrappers.EventType] = None,
     ) -> grpc.Future:
         """
         Listen for session events.
@@ -428,7 +429,7 @@ class CoreGrpcClient:
 
     def get_node(
         self, session_id: int, node_id: int
-    ) -> Tuple[wrappers.Node, List[wrappers.Interface], List[wrappers.Link]]:
+    ) -> tuple[wrappers.Node, list[wrappers.Interface], list[wrappers.Link]]:
         """
         Get node details.
 
@@ -536,7 +537,7 @@ class CoreGrpcClient:
         command: str,
         wait: bool = True,
         shell: bool = False,
-    ) -> Tuple[int, str]:
+    ) -> tuple[int, str]:
         """
         Send command to a node and get the output.
 
@@ -575,7 +576,7 @@ class CoreGrpcClient:
 
     def add_link(
         self, session_id: int, link: wrappers.Link, source: str = None
-    ) -> Tuple[bool, wrappers.Interface, wrappers.Interface]:
+    ) -> tuple[bool, wrappers.Interface, wrappers.Interface]:
         """
         Add a link between nodes.
 
@@ -646,7 +647,7 @@ class CoreGrpcClient:
 
     def get_mobility_config(
         self, session_id: int, node_id: int
-    ) -> Dict[str, wrappers.ConfigOption]:
+    ) -> dict[str, wrappers.ConfigOption]:
         """
         Get mobility configuration for a node.
 
@@ -660,7 +661,7 @@ class CoreGrpcClient:
         return wrappers.ConfigOption.from_dict(response.config)
 
     def set_mobility_config(
-        self, session_id: int, node_id: int, config: Dict[str, str]
+        self, session_id: int, node_id: int, config: dict[str, str]
     ) -> bool:
         """
         Set mobility configuration for a node.
@@ -706,7 +707,7 @@ class CoreGrpcClient:
         response = self.stub.GetConfig(request)
         return wrappers.CoreConfig.from_proto(response)
 
-    def get_service_defaults(self, session_id: int) -> List[wrappers.ServiceDefault]:
+    def get_service_defaults(self, session_id: int) -> list[wrappers.ServiceDefault]:
         """
         Get default services for different default node models.
 
@@ -723,7 +724,7 @@ class CoreGrpcClient:
         return defaults
 
     def set_service_defaults(
-        self, session_id: int, service_defaults: Dict[str, List[str]]
+        self, session_id: int, service_defaults: dict[str, list[str]]
     ) -> bool:
         """
         Set default services for node models.
@@ -829,7 +830,7 @@ class CoreGrpcClient:
 
     def get_wlan_config(
         self, session_id: int, node_id: int
-    ) -> Dict[str, wrappers.ConfigOption]:
+    ) -> dict[str, wrappers.ConfigOption]:
         """
         Get wlan configuration for a node.
 
@@ -843,7 +844,7 @@ class CoreGrpcClient:
         return wrappers.ConfigOption.from_dict(response.config)
 
     def set_wlan_config(
-        self, session_id: int, node_id: int, config: Dict[str, str]
+        self, session_id: int, node_id: int, config: dict[str, str]
     ) -> bool:
         """
         Set wlan configuration for a node.
@@ -861,7 +862,7 @@ class CoreGrpcClient:
 
     def get_emane_model_config(
         self, session_id: int, node_id: int, model: str, iface_id: int = -1
-    ) -> Dict[str, wrappers.ConfigOption]:
+    ) -> dict[str, wrappers.ConfigOption]:
         """
         Get emane model configuration for a node or a node's interface.
 
@@ -909,7 +910,7 @@ class CoreGrpcClient:
         with open(file_path, "w") as xml_file:
             xml_file.write(response.data)
 
-    def open_xml(self, file_path: Path, start: bool = False) -> Tuple[bool, int]:
+    def open_xml(self, file_path: Path, start: bool = False) -> tuple[bool, int]:
         """
         Load a local scenario XML file to open as a new session.
 
@@ -940,7 +941,7 @@ class CoreGrpcClient:
         response = self.stub.EmaneLink(request)
         return response.result
 
-    def get_ifaces(self) -> List[str]:
+    def get_ifaces(self) -> list[str]:
         """
         Retrieves a list of interfaces available on the host machine that are not
         a part of a CORE session.
@@ -964,7 +965,7 @@ class CoreGrpcClient:
 
     def get_node_config_service(
         self, session_id: int, node_id: int, name: str
-    ) -> Dict[str, str]:
+    ) -> dict[str, str]:
         """
         Retrieves information for a specific config service on a node.
 
@@ -982,7 +983,7 @@ class CoreGrpcClient:
 
     def get_config_service_rendered(
         self, session_id: int, node_id: int, name: str
-    ) -> Dict[str, str]:
+    ) -> dict[str, str]:
         """
         Retrieve the rendered config service files for a node.
 
@@ -1129,7 +1130,7 @@ class CoreGrpcClient:
 
     def get_wireless_config(
         self, session_id: int, node_id: int
-    ) -> Dict[str, wrappers.ConfigOption]:
+    ) -> dict[str, wrappers.ConfigOption]:
         request = GetWirelessConfigRequest(session_id=session_id, node_id=node_id)
         response = self.stub.GetWirelessConfig(request)
         return wrappers.ConfigOption.from_dict(response.config)
@@ -1156,7 +1157,7 @@ class CoreGrpcClient:
             self.channel = None
 
     @contextmanager
-    def context_connect(self) -> Generator:
+    def context_connect(self) -> Generator[None, None, None]:
         """
         Makes a context manager based connection to the server, will close after
         context ends.
diff --git a/daemon/core/api/grpc/events.py b/daemon/core/api/grpc/events.py
index 82f03c20..65a20296 100644
--- a/daemon/core/api/grpc/events.py
+++ b/daemon/core/api/grpc/events.py
@@ -1,6 +1,7 @@
 import logging
+from collections.abc import Iterable
 from queue import Empty, Queue
-from typing import Iterable, Optional
+from typing import Optional
 
 from core.api.grpc import core_pb2, grpcutils
 from core.api.grpc.grpcutils import convert_link_data
diff --git a/daemon/core/api/grpc/grpcutils.py b/daemon/core/api/grpc/grpcutils.py
index 434314a4..a05a5e8f 100644
--- a/daemon/core/api/grpc/grpcutils.py
+++ b/daemon/core/api/grpc/grpcutils.py
@@ -1,7 +1,7 @@
 import logging
 import time
 from pathlib import Path
-from typing import Any, Dict, List, Optional, Tuple, Type, Union
+from typing import Any, Optional, Union
 
 import grpc
 from grpc import ServicerContext
@@ -63,8 +63,8 @@ class CpuUsage:
 
 
 def add_node_data(
-    _class: Type[NodeBase], node_proto: core_pb2.Node
-) -> Tuple[Position, NodeOptions]:
+    _class: type[NodeBase], node_proto: core_pb2.Node
+) -> tuple[Position, NodeOptions]:
     """
     Convert node protobuf message to data for creating a node.
 
@@ -118,7 +118,7 @@ def link_iface(iface_proto: core_pb2.Interface) -> InterfaceData:
 
 def add_link_data(
     link_proto: core_pb2.Link,
-) -> Tuple[InterfaceData, InterfaceData, LinkOptions]:
+) -> tuple[InterfaceData, InterfaceData, LinkOptions]:
     """
     Convert link proto to link interfaces and options data.
 
@@ -145,8 +145,8 @@ def add_link_data(
 
 
 def create_nodes(
-    session: Session, node_protos: List[core_pb2.Node]
-) -> Tuple[List[NodeBase], List[Exception]]:
+    session: Session, node_protos: list[core_pb2.Node]
+) -> tuple[list[NodeBase], list[Exception]]:
     """
     Create nodes using a thread pool and wait for completion.
 
@@ -176,8 +176,8 @@ def create_nodes(
 
 
 def create_links(
-    session: Session, link_protos: List[core_pb2.Link]
-) -> Tuple[List[NodeBase], List[Exception]]:
+    session: Session, link_protos: list[core_pb2.Link]
+) -> tuple[list[NodeBase], list[Exception]]:
     """
     Create links using a thread pool and wait for completion.
 
@@ -200,8 +200,8 @@ def create_links(
 
 
 def edit_links(
-    session: Session, link_protos: List[core_pb2.Link]
-) -> Tuple[List[None], List[Exception]]:
+    session: Session, link_protos: list[core_pb2.Link]
+) -> tuple[list[None], list[Exception]]:
     """
     Edit links using a thread pool and wait for completion.
 
@@ -235,7 +235,7 @@ def convert_value(value: Any) -> str:
     return value
 
 
-def convert_session_options(session: Session) -> Dict[str, common_pb2.ConfigOption]:
+def convert_session_options(session: Session) -> dict[str, common_pb2.ConfigOption]:
     config_options = {}
     for option in session.options.options:
         value = session.options.get(option.id)
@@ -252,9 +252,9 @@ def convert_session_options(session: Session) -> Dict[str, common_pb2.ConfigOpti
 
 
 def get_config_options(
-    config: Dict[str, str],
-    configurable_options: Union[ConfigurableOptions, Type[ConfigurableOptions]],
-) -> Dict[str, common_pb2.ConfigOption]:
+    config: dict[str, str],
+    configurable_options: Union[ConfigurableOptions, type[ConfigurableOptions]],
+) -> dict[str, common_pb2.ConfigOption]:
     """
     Retrieve configuration options in a form that is used by the grpc server.
 
@@ -283,7 +283,7 @@ def get_config_options(
 
 
 def get_node_proto(
-    session: Session, node: NodeBase, emane_configs: List[NodeEmaneConfig]
+    session: Session, node: NodeBase, emane_configs: list[NodeEmaneConfig]
 ) -> core_pb2.Node:
     """
     Convert CORE node to protobuf representation.
@@ -390,7 +390,7 @@ def get_node_proto(
     )
 
 
-def get_links(session: Session, node: NodeBase) -> List[core_pb2.Link]:
+def get_links(session: Session, node: NodeBase) -> list[core_pb2.Link]:
     """
     Retrieve a list of links for grpc to use.
 
@@ -435,7 +435,7 @@ def convert_iface(iface: CoreInterface) -> core_pb2.Interface:
         )
 
 
-def convert_core_link(core_link: CoreLink) -> List[core_pb2.Link]:
+def convert_core_link(core_link: CoreLink) -> list[core_pb2.Link]:
     """
     Convert core link to protobuf data.
 
@@ -581,7 +581,7 @@ def convert_link(
     )
 
 
-def parse_proc_net_dev(lines: List[str]) -> Dict[str, Any]:
+def parse_proc_net_dev(lines: list[str]) -> dict[str, dict[str, float]]:
     """
     Parse lines of output from /proc/net/dev.
 
@@ -599,7 +599,7 @@ def parse_proc_net_dev(lines: List[str]) -> Dict[str, Any]:
     return stats
 
 
-def get_net_stats() -> Dict[str, Dict]:
+def get_net_stats() -> dict[str, dict[str, float]]:
     """
     Retrieve status about the current interfaces in the system
 
@@ -728,7 +728,7 @@ def get_nem_id(
     return nem_id
 
 
-def get_emane_model_configs_dict(session: Session) -> Dict[int, List[NodeEmaneConfig]]:
+def get_emane_model_configs_dict(session: Session) -> dict[int, list[NodeEmaneConfig]]:
     """
     Get emane model configuration protobuf data.
 
@@ -751,7 +751,7 @@ def get_emane_model_configs_dict(session: Session) -> Dict[int, List[NodeEmaneCo
     return configs
 
 
-def get_hooks(session: Session) -> List[core_pb2.Hook]:
+def get_hooks(session: Session) -> list[core_pb2.Hook]:
     """
     Retrieve hook protobuf data for a session.
 
@@ -767,7 +767,7 @@ def get_hooks(session: Session) -> List[core_pb2.Hook]:
     return hooks
 
 
-def get_default_services(session: Session) -> List[ServiceDefaults]:
+def get_default_services(session: Session) -> list[ServiceDefaults]:
     """
     Retrieve the default service sets for a given session.
 
diff --git a/daemon/core/api/grpc/server.py b/daemon/core/api/grpc/server.py
index f657c20a..69822252 100644
--- a/daemon/core/api/grpc/server.py
+++ b/daemon/core/api/grpc/server.py
@@ -5,9 +5,11 @@ import signal
 import sys
 import tempfile
 import time
+from collections.abc import Iterable
 from concurrent import futures
 from pathlib import Path
-from typing import Iterable, Optional, Pattern, Type
+from re import Pattern
+from typing import Optional
 
 import grpc
 from grpc import ServicerContext
@@ -105,7 +107,7 @@ from core.services.coreservices import ServiceManager
 
 logger = logging.getLogger(__name__)
 _ONE_DAY_IN_SECONDS: int = 60 * 60 * 24
-_INTERFACE_REGEX: Pattern = re.compile(r"beth(?P<node>[0-9a-fA-F]+)")
+_INTERFACE_REGEX: Pattern[str] = re.compile(r"beth(?P<node>[0-9a-fA-F]+)")
 _MAX_WORKERS = 1000
 
 
@@ -171,7 +173,7 @@ class CoreGrpcServer(core_pb2_grpc.CoreApiServicer):
         return session
 
     def get_node(
-        self, session: Session, node_id: int, context: ServicerContext, _class: Type[NT]
+        self, session: Session, node_id: int, context: ServicerContext, _class: type[NT]
     ) -> NT:
         """
         Retrieve node given session and node id
@@ -210,7 +212,7 @@ class CoreGrpcServer(core_pb2_grpc.CoreApiServicer):
 
     def validate_service(
         self, name: str, context: ServicerContext
-    ) -> Type[ConfigService]:
+    ) -> type[ConfigService]:
         """
         Validates a configuration service is a valid known service.
 
diff --git a/daemon/core/api/grpc/wrappers.py b/daemon/core/api/grpc/wrappers.py
index d3167a98..b7b172fe 100644
--- a/daemon/core/api/grpc/wrappers.py
+++ b/daemon/core/api/grpc/wrappers.py
@@ -1,7 +1,7 @@
 from dataclasses import dataclass, field
 from enum import Enum
 from pathlib import Path
-from typing import Any, Dict, List, Optional, Set, Tuple
+from typing import Any, Optional
 
 from core.api.grpc import (
     common_pb2,
@@ -114,13 +114,13 @@ class EventType:
 class ConfigService:
     group: str
     name: str
-    executables: List[str]
-    dependencies: List[str]
-    directories: List[str]
-    files: List[str]
-    startup: List[str]
-    validate: List[str]
-    shutdown: List[str]
+    executables: list[str]
+    dependencies: list[str]
+    directories: list[str]
+    files: list[str]
+    startup: list[str]
+    validate: list[str]
+    shutdown: list[str]
     validation_mode: ConfigServiceValidationMode
     validation_timer: int
     validation_period: float
@@ -147,8 +147,8 @@ class ConfigService:
 class ConfigServiceConfig:
     node_id: int
     name: str
-    templates: Dict[str, str]
-    config: Dict[str, str]
+    templates: dict[str, str]
+    config: dict[str, str]
 
     @classmethod
     def from_proto(
@@ -164,15 +164,15 @@ class ConfigServiceConfig:
 
 @dataclass
 class ConfigServiceData:
-    templates: Dict[str, str] = field(default_factory=dict)
-    config: Dict[str, str] = field(default_factory=dict)
+    templates: dict[str, str] = field(default_factory=dict)
+    config: dict[str, str] = field(default_factory=dict)
 
 
 @dataclass
 class ConfigServiceDefaults:
-    templates: Dict[str, str]
-    config: Dict[str, "ConfigOption"]
-    modes: Dict[str, Dict[str, str]]
+    templates: dict[str, str]
+    config: dict[str, "ConfigOption"]
+    modes: dict[str, dict[str, str]]
 
     @classmethod
     def from_proto(
@@ -211,7 +211,7 @@ class Service:
 @dataclass
 class ServiceDefault:
     model: str
-    services: List[str]
+    services: list[str]
 
     @classmethod
     def from_proto(cls, proto: services_pb2.ServiceDefaults) -> "ServiceDefault":
@@ -220,15 +220,15 @@ class ServiceDefault:
 
 @dataclass
 class NodeServiceData:
-    executables: List[str] = field(default_factory=list)
-    dependencies: List[str] = field(default_factory=list)
-    dirs: List[str] = field(default_factory=list)
-    configs: List[str] = field(default_factory=list)
-    startup: List[str] = field(default_factory=list)
-    validate: List[str] = field(default_factory=list)
+    executables: list[str] = field(default_factory=list)
+    dependencies: list[str] = field(default_factory=list)
+    dirs: list[str] = field(default_factory=list)
+    configs: list[str] = field(default_factory=list)
+    startup: list[str] = field(default_factory=list)
+    validate: list[str] = field(default_factory=list)
     validation_mode: ServiceValidationMode = ServiceValidationMode.NON_BLOCKING
     validation_timer: int = 5
-    shutdown: List[str] = field(default_factory=list)
+    shutdown: list[str] = field(default_factory=list)
     meta: str = None
 
     @classmethod
@@ -266,7 +266,7 @@ class NodeServiceConfig:
     node_id: int
     service: str
     data: NodeServiceData
-    files: Dict[str, str] = field(default_factory=dict)
+    files: dict[str, str] = field(default_factory=dict)
 
     @classmethod
     def from_proto(cls, proto: services_pb2.NodeServiceConfig) -> "NodeServiceConfig":
@@ -282,11 +282,11 @@ class NodeServiceConfig:
 class ServiceConfig:
     node_id: int
     service: str
-    files: List[str] = None
-    directories: List[str] = None
-    startup: List[str] = None
-    validate: List[str] = None
-    shutdown: List[str] = None
+    files: list[str] = None
+    directories: list[str] = None
+    startup: list[str] = None
+    validate: list[str] = None
+    shutdown: list[str] = None
 
     def to_proto(self) -> services_pb2.ServiceConfig:
         return services_pb2.ServiceConfig(
@@ -339,8 +339,8 @@ class InterfaceThroughput:
 @dataclass
 class ThroughputsEvent:
     session_id: int
-    bridge_throughputs: List[BridgeThroughput]
-    iface_throughputs: List[InterfaceThroughput]
+    bridge_throughputs: list[BridgeThroughput]
+    iface_throughputs: list[InterfaceThroughput]
 
     @classmethod
     def from_proto(cls, proto: core_pb2.ThroughputsEvent) -> "ThroughputsEvent":
@@ -428,19 +428,19 @@ class ConfigOption:
     label: str = None
     type: ConfigOptionType = None
     group: str = None
-    select: List[str] = None
+    select: list[str] = None
 
     @classmethod
     def from_dict(
-        cls, config: Dict[str, common_pb2.ConfigOption]
-    ) -> Dict[str, "ConfigOption"]:
+        cls, config: dict[str, common_pb2.ConfigOption]
+    ) -> dict[str, "ConfigOption"]:
         d = {}
         for key, value in config.items():
             d[key] = ConfigOption.from_proto(value)
         return d
 
     @classmethod
-    def to_dict(cls, config: Dict[str, "ConfigOption"]) -> Dict[str, str]:
+    def to_dict(cls, config: dict[str, "ConfigOption"]) -> dict[str, str]:
         return {k: v.value for k, v in config.items()}
 
     @classmethod
@@ -671,7 +671,7 @@ class EmaneModelConfig:
     node_id: int
     model: str
     iface_id: int = -1
-    config: Dict[str, ConfigOption] = None
+    config: dict[str, ConfigOption] = None
 
     @classmethod
     def from_proto(cls, proto: emane_pb2.GetEmaneModelConfig) -> "EmaneModelConfig":
@@ -725,8 +725,8 @@ class Node:
     type: NodeType = NodeType.DEFAULT
     model: str = None
     position: Position = Position(x=0, y=0)
-    services: Set[str] = field(default_factory=set)
-    config_services: Set[str] = field(default_factory=set)
+    services: set[str] = field(default_factory=set)
+    config_services: set[str] = field(default_factory=set)
     emane: str = None
     icon: str = None
     image: str = None
@@ -737,19 +737,19 @@ class Node:
     canvas: int = None
 
     # configurations
-    emane_model_configs: Dict[
-        Tuple[str, Optional[int]], Dict[str, ConfigOption]
+    emane_model_configs: dict[
+        tuple[str, Optional[int]], dict[str, ConfigOption]
     ] = field(default_factory=dict, repr=False)
-    wlan_config: Dict[str, ConfigOption] = field(default_factory=dict, repr=False)
-    wireless_config: Dict[str, ConfigOption] = field(default_factory=dict, repr=False)
-    mobility_config: Dict[str, ConfigOption] = field(default_factory=dict, repr=False)
-    service_configs: Dict[str, NodeServiceData] = field(
+    wlan_config: dict[str, ConfigOption] = field(default_factory=dict, repr=False)
+    wireless_config: dict[str, ConfigOption] = field(default_factory=dict, repr=False)
+    mobility_config: dict[str, ConfigOption] = field(default_factory=dict, repr=False)
+    service_configs: dict[str, NodeServiceData] = field(
         default_factory=dict, repr=False
     )
-    service_file_configs: Dict[str, Dict[str, str]] = field(
+    service_file_configs: dict[str, dict[str, str]] = field(
         default_factory=dict, repr=False
     )
-    config_service_configs: Dict[str, ConfigServiceData] = field(
+    config_service_configs: dict[str, ConfigServiceData] = field(
         default_factory=dict, repr=False
     )
 
@@ -849,18 +849,18 @@ class Node:
             wireless_config={k: v.to_proto() for k, v in self.wireless_config.items()},
         )
 
-    def set_wlan(self, config: Dict[str, str]) -> None:
+    def set_wlan(self, config: dict[str, str]) -> None:
         for key, value in config.items():
             option = ConfigOption(name=key, value=value)
             self.wlan_config[key] = option
 
-    def set_mobility(self, config: Dict[str, str]) -> None:
+    def set_mobility(self, config: dict[str, str]) -> None:
         for key, value in config.items():
             option = ConfigOption(name=key, value=value)
             self.mobility_config[key] = option
 
     def set_emane_model(
-        self, model: str, config: Dict[str, str], iface_id: int = None
+        self, model: str, config: dict[str, str], iface_id: int = None
     ) -> None:
         key = (model, iface_id)
         config_options = self.emane_model_configs.setdefault(key, {})
@@ -873,23 +873,23 @@ class Node:
 class Session:
     id: int = None
     state: SessionState = SessionState.DEFINITION
-    nodes: Dict[int, Node] = field(default_factory=dict)
-    links: List[Link] = field(default_factory=list)
+    nodes: dict[int, Node] = field(default_factory=dict)
+    links: list[Link] = field(default_factory=list)
     dir: str = None
     user: str = None
-    default_services: Dict[str, Set[str]] = field(default_factory=dict)
+    default_services: dict[str, set[str]] = field(default_factory=dict)
     location: SessionLocation = SessionLocation(
         x=0.0, y=0.0, z=0.0, lat=47.57917, lon=-122.13232, alt=2.0, scale=150.0
     )
-    hooks: Dict[str, Hook] = field(default_factory=dict)
-    metadata: Dict[str, str] = field(default_factory=dict)
+    hooks: dict[str, Hook] = field(default_factory=dict)
+    metadata: dict[str, str] = field(default_factory=dict)
     file: Path = None
-    options: Dict[str, ConfigOption] = field(default_factory=dict)
-    servers: List[Server] = field(default_factory=list)
+    options: dict[str, ConfigOption] = field(default_factory=dict)
+    servers: list[Server] = field(default_factory=list)
 
     @classmethod
     def from_proto(cls, proto: core_pb2.Session) -> "Session":
-        nodes: Dict[int, Node] = {x.id: Node.from_proto(x) for x in proto.nodes}
+        nodes: dict[int, Node] = {x.id: Node.from_proto(x) for x in proto.nodes}
         links = [Link.from_proto(x) for x in proto.links]
         default_services = {x.model: set(x.services) for x in proto.default_services}
         hooks = {x.file: Hook.from_proto(x) for x in proto.hooks}
@@ -987,7 +987,7 @@ class Session:
         self.links.append(link)
         return link
 
-    def set_options(self, config: Dict[str, str]) -> None:
+    def set_options(self, config: dict[str, str]) -> None:
         for key, value in config.items():
             option = ConfigOption(name=key, value=value)
             self.options[key] = option
@@ -995,9 +995,9 @@ class Session:
 
 @dataclass
 class CoreConfig:
-    services: List[Service] = field(default_factory=list)
-    config_services: List[ConfigService] = field(default_factory=list)
-    emane_models: List[str] = field(default_factory=list)
+    services: list[Service] = field(default_factory=list)
+    config_services: list[ConfigService] = field(default_factory=list)
+    emane_models: list[str] = field(default_factory=list)
 
     @classmethod
     def from_proto(cls, proto: core_pb2.GetConfigResponse) -> "CoreConfig":
@@ -1088,7 +1088,7 @@ class ConfigEvent:
     node_id: int
     object: str
     type: int
-    data_types: List[int]
+    data_types: list[int]
     data_values: str
     captions: str
     bitmap: str