diff --git a/.github/workflows/pyright.yml b/.github/workflows/pyright.yml
index 38fb910d850..17a1e2dbbec 100644
--- a/.github/workflows/pyright.yml
+++ b/.github/workflows/pyright.yml
@@ -26,7 +26,7 @@ env:
   # For help with static-typing issues, or pyright update, ping @Avasam
   #
   # An exact version from https://github.com/microsoft/pyright/releases or "latest"
-  PYRIGHT_VERSION: "1.1.377"
+  PYRIGHT_VERSION: "1.1.385"
 
   # Environment variable to support color support (jaraco/skeleton#66)
   FORCE_COLOR: 1
@@ -73,4 +73,5 @@ jobs:
         uses: jakebailey/pyright-action@v2
         with:
           version: ${{ env.PYRIGHT_VERSION }}
+          python-version: ${{ matrix.python }}
           extra-args: --threads
diff --git a/mypy.ini b/mypy.ini
index 26692755eae..2dc8aab56f7 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -52,6 +52,7 @@ disable_error_code = import-not-found
 #       for setuptools to import `_distutils` directly
 #     - or non-stdlib distutils typings are exposed
 # - The following are not marked as py.typed:
+#  - jaraco: Since mypy 1.12, the root name of the untyped namespace package gets called-out too
 #  - jaraco.develop: https://github.com/jaraco/jaraco.develop/issues/22
 #  - jaraco.envs: https://github.com/jaraco/jaraco.envs/issues/7
 #  - jaraco.packaging: https://github.com/jaraco/jaraco.packaging/issues/20
@@ -59,7 +60,7 @@ disable_error_code = import-not-found
 #  - jaraco.test: https://github.com/jaraco/jaraco.test/issues/7
 #  - jaraco.text: https://github.com/jaraco/jaraco.text/issues/17
 #  - wheel: does not intend on exposing a programmatic API https://github.com/pypa/wheel/pull/610#issuecomment-2081687671
-[mypy-distutils.*,jaraco.develop,jaraco.envs,jaraco.packaging.*,jaraco.path,jaraco.test.*,jaraco.text,wheel.*]
+[mypy-distutils.*,jaraco,jaraco.develop,jaraco.envs,jaraco.packaging.*,jaraco.path,jaraco.test.*,jaraco.text,wheel.*]
 ignore_missing_imports = True
 
 # Even when excluding a module, import issues can show up due to following import
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
index f1f0ef25358..47824ab66ec 100644
--- a/pkg_resources/__init__.py
+++ b/pkg_resources/__init__.py
@@ -2648,7 +2648,7 @@ def _cygwin_patch(filename: StrOrBytesPath):  # pragma: nocover
     would probably better, in Cygwin even more so, except
     that this seems to be by design...
     """
-    return os.path.abspath(filename) if sys.platform == 'cygwin' else filename
+    return os.path.abspath(filename) if sys.platform == 'cygwin' else filename  # type: ignore[type-var] # python/mypy#17952
 
 
 if TYPE_CHECKING:
diff --git a/pyproject.toml b/pyproject.toml
index eb6ec110410..72fc6df93a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -136,7 +136,7 @@ type = [
 	# pin mypy version so a new version doesn't suddenly cause the CI to fail,
 	# until types-setuptools is removed from typeshed.
 	# For help with static-typing issues, or mypy update, ping @Avasam 
-	"mypy==1.11.*",
+	"mypy==1.12.*",
 	# Typing fixes in version newer than we require at runtime
 	"importlib_metadata>=7.0.2; python_version < '3.10'",
 	# Imported unconditionally in tools/finalize.py
diff --git a/setuptools/command/__init__.py b/setuptools/command/__init__.py
index bf011e896d9..eea212b819a 100644
--- a/setuptools/command/__init__.py
+++ b/setuptools/command/__init__.py
@@ -4,9 +4,11 @@
 
 if 'egg' not in bdist.format_commands:
     try:
-        bdist.format_commands['egg'] = ('bdist_egg', "Python .egg file")
+        # format_commands is a dict in vendored distutils
+        # It used to be a list in older (stdlib) distutils
+        # We support both for backwards compatibility
+        bdist.format_commands['egg'] = ('bdist_egg', "Python .egg file")  # type: ignore[call-overload]
     except TypeError:
-        # For backward compatibility with older distutils (stdlib)
         bdist.format_command['egg'] = ('bdist_egg', "Python .egg file")
         bdist.format_commands.append('egg')
 
diff --git a/setuptools/command/sdist.py b/setuptools/command/sdist.py
index fa9a2c4d812..65ce735dde6 100644
--- a/setuptools/command/sdist.py
+++ b/setuptools/command/sdist.py
@@ -4,6 +4,7 @@
 import os
 import re
 from itertools import chain
+from typing import ClassVar
 
 from .._importlib import metadata
 from ..dist import Distribution
@@ -49,7 +50,7 @@ class sdist(orig.sdist):
     ]
 
     distribution: Distribution  # override distutils.dist.Distribution with setuptools.dist.Distribution
-    negative_opt: dict[str, str] = {}
+    negative_opt: ClassVar[dict[str, str]] = {}
 
     README_EXTENSIONS = ['', '.rst', '.txt', '.md']
     READMES = tuple('README{0}'.format(ext) for ext in README_EXTENSIONS)