diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py
index 3bbc3fa127abb3..7cc9d0bf262af1 100644
--- a/Lib/test/libregrtest/utils.py
+++ b/Lib/test/libregrtest/utils.py
@@ -150,7 +150,7 @@ def setup_unraisable_hook() -> None:
     sys.unraisablehook = regrtest_unraisable_hook
 
 
-orig_threading_excepthook: Callable[..., None] | None = None
+orig_threading_excepthook: Callable[..., object] | None = None
 
 
 def regrtest_threading_excepthook(args) -> None:
diff --git a/Tools/clinic/libclinic/clanguage.py b/Tools/clinic/libclinic/clanguage.py
index 9e7fa7a7f58f95..341667d2f0bff9 100644
--- a/Tools/clinic/libclinic/clanguage.py
+++ b/Tools/clinic/libclinic/clanguage.py
@@ -6,7 +6,7 @@
 from operator import attrgetter
 from collections.abc import Iterable
 
-import libclinic
+import libclinic.cpp
 from libclinic import (
     unspecified, fail, Sentinels, VersionTuple)
 from libclinic.codegen import CRenderData, TemplateDict, CodeGen
diff --git a/Tools/requirements-dev.txt b/Tools/requirements-dev.txt
index 73236767374378..af5cbaa7689f33 100644
--- a/Tools/requirements-dev.txt
+++ b/Tools/requirements-dev.txt
@@ -1,7 +1,7 @@
 # Requirements file for external linters and checks we run on
 # Tools/clinic, Tools/cases_generator/, and Tools/peg_generator/ in CI
-mypy==1.17.1
+mypy==1.19.1
 
 # needed for peg_generator:
-types-psutil==7.0.0.20250801
-types-setuptools==80.9.0.20250801
+types-psutil==7.2.2.20260130
+types-setuptools==82.0.0.20260210