diff --git a/pdm.lock b/pdm.lock
index 27f8ee7..af2008f 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "build", "lint", "test"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:503d9c28c08a152250042e09282d3a4e727af0d4aac551c4e0fcb92dc06459bf"
+content_hash = "sha256:84eef30b22559e9c8bd387d005ecf59a984863bb82aa20036361ff5222931e64"
 
 [[metadata.targets]]
 requires_python = ">=3.14,<3.15"
@@ -336,7 +336,7 @@ files = [
 
 [[package]]
 name = "porringer"
-version = "0.2.1.dev80"
+version = "0.2.1.dev81"
 requires_python = ">=3.14"
 summary = ""
 groups = ["default"]
@@ -349,8 +349,8 @@ dependencies = [
     "userpath>=1.9.2",
 ]
 files = [
-    {file = "porringer-0.2.1.dev80-py3-none-any.whl", hash = "sha256:af53ed2b9f40900898b226694d5f49c65d8eda5487132781fafa9dca7504e4b7"},
-    {file = "porringer-0.2.1.dev80.tar.gz", hash = "sha256:aa40413b26d14391cd8c565dc1e2168a73b5f5e15fce16372d99998714ebf903"},
+    {file = "porringer-0.2.1.dev81-py3-none-any.whl", hash = "sha256:904e0b5dcb8487f5e033313317bd834fcc88c7975f2fd5f6cc491d6e263c101d"},
+    {file = "porringer-0.2.1.dev81.tar.gz", hash = "sha256:3f42c5ce318298ef4d8ab3239c740fcf29c9d8fdc79a95a8476fd6a42d8aefc0"},
 ]
 
 [[package]]
@@ -471,20 +471,20 @@ files = [
 
 [[package]]
 name = "pyrefly"
-version = "0.55.0"
+version = "0.56.0"
 requires_python = ">=3.8"
 summary = "A fast type checker and language server for Python with powerful IDE features"
 groups = ["lint"]
 files = [
-    {file = "pyrefly-0.55.0-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:49aafcefe5e2dd4256147db93e5b0ada42bff7d9a60db70e03d1f7055338eec9"},
-    {file = "pyrefly-0.55.0-py3-none-macosx_11_0_arm64.whl", hash = "sha256:2827426e6b28397c13badb93c0ede0fb0f48046a7a89e3d774cda04e8e2067cd"},
-    {file = "pyrefly-0.55.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:7346b2d64dc575bd61aa3bca854fbf8b5a19a471cbdb45e0ca1e09861b63488c"},
-    {file = "pyrefly-0.55.0-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:233b861b4cff008b1aff62f4f941577ed752e4d0060834229eb9b6826e6973c9"},
-    {file = "pyrefly-0.55.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:f5aa85657d76da1d25d081a49f0e33c8fc3ec91c1a0f185a8ed393a5a3d9e178"},
-    {file = "pyrefly-0.55.0-py3-none-win32.whl", hash = "sha256:23f786a78536a56fed331b245b7d10ec8945bebee7b723491c8d66fdbc155fe6"},
-    {file = "pyrefly-0.55.0-py3-none-win_amd64.whl", hash = "sha256:d465b49e999b50eeb069ad23f0f5710651cad2576f9452a82991bef557df91ee"},
-    {file = "pyrefly-0.55.0-py3-none-win_arm64.whl", hash = "sha256:732ff490e0e863b296e7c0b2471e08f8ba7952f9fa6e9de09d8347fd67dde77f"},
-    {file = "pyrefly-0.55.0.tar.gz", hash = "sha256:434c3282532dd4525c4840f2040ed0eb79b0ec8224fe18d957956b15471f2441"},
+    {file = "pyrefly-0.56.0-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:21f018f47debc0842b2c3072201e53c138ae32bcda4f3119bfc8d23f59c16b3e"},
+    {file = "pyrefly-0.56.0-py3-none-macosx_11_0_arm64.whl", hash = "sha256:95366056ceb224571b9f1c20e801d949f2c1fa2cf4ed6ceaadf85ca2ebe6fb27"},
+    {file = "pyrefly-0.56.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5478229b09f4bba5bfea000b5ba20ea405f62dc7619ea81197e7ea637d6cba8d"},
+    {file = "pyrefly-0.56.0-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:1e5f53781875024086a5b9f31a89c57d2977487fc3f819d9255008ad34b86fe2"},
+    {file = "pyrefly-0.56.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ec6ab3f9e2c03bae8dfa520f52778f47b6762020929a664177d36aa3b941db22"},
+    {file = "pyrefly-0.56.0-py3-none-win32.whl", hash = "sha256:f0440a4bbf119ab646468f360e0bd047df051352db1e5d5b9fd58f89e8458809"},
+    {file = "pyrefly-0.56.0-py3-none-win_amd64.whl", hash = "sha256:f4948021639288b1ccda5f124c9562dc7f0a2679111eb314fa266c7bfd9f8603"},
+    {file = "pyrefly-0.56.0-py3-none-win_arm64.whl", hash = "sha256:4683f5e8820d5fbfb84231b643b2c5f6cd40b982cac48ef756d4e3d9b09a39cc"},
+    {file = "pyrefly-0.56.0.tar.gz", hash = "sha256:f84d21d9b9b58481eea02204e2f73cabb93751b21ab2cd99178b4bde24be6a82"},
 ]
 
 [[package]]
diff --git a/pyproject.toml b/pyproject.toml
index 8c31172..eb2fa52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ requires-python = ">=3.14, <3.15"
 dependencies = [
     "pyside6>=6.10.2",
     "packaging>=26.0",
-    "porringer>=0.2.1.dev80",
+    "porringer>=0.2.1.dev81",
     "qasync>=0.28.0",
     "velopack>=0.0.1444.dev49733",
     "typer>=0.24.1",
@@ -30,7 +30,7 @@ build = [
 ]
 lint = [
     "ruff>=0.15.5",
-    "pyrefly>=0.55.0",
+    "pyrefly>=0.56.0",
 ]
 test = [
     "pytest>=9.0.2",
diff --git a/synodic_client/application/screen/settings.py b/synodic_client/application/screen/settings.py
index 70add72..f178942 100644
--- a/synodic_client/application/screen/settings.py
+++ b/synodic_client/application/screen/settings.py
@@ -8,7 +8,7 @@
 import logging
 import sys
 import traceback
-from collections.abc import Iterator
+from collections.abc import Generator
 from contextlib import contextmanager
 
 from PySide6.QtCore import Qt, QUrl, Signal
@@ -334,7 +334,7 @@ def _persist(self, **changes: object) -> None:
         self._store.update(**changes)
 
     @contextmanager
-    def _block_signals(self) -> Iterator[None]:
+    def _block_signals(self) -> Generator[None]:
         """Temporarily block signals on all settings controls."""
         widgets = (
             self._channel_combo,
diff --git a/synodic_client/subprocess_patch.py b/synodic_client/subprocess_patch.py
index 53b2773..19f888b 100644
--- a/synodic_client/subprocess_patch.py
+++ b/synodic_client/subprocess_patch.py
@@ -75,8 +75,8 @@ def _inject_hidden_flags(kwargs: dict[str, Any]) -> None:
 def _patch_popen() -> None:
     _original_init = subprocess.Popen.__init__
 
-    def _patched_init(self: subprocess.Popen, *args: Any, **kwargs: Any) -> None:  # type: ignore[type-arg]
+    def _patched_init(self: subprocess.Popen, *args: Any, **kwargs: Any) -> None:
         _inject_hidden_flags(kwargs)
         _original_init(self, *args, **kwargs)
 
-    subprocess.Popen.__init__ = _patched_init  # type: ignore[method-assign]
+    subprocess.Popen.__init__ = _patched_init