diff --git a/requirements-tests.txt b/requirements-tests.txt
index f6252a9ad64e..0e1407458c1a 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,6 +1,6 @@
 # Type checkers that we test our stubs against. These should always
 # be pinned to a specific version to make failure reproducible.
-mypy==1.16.1
+mypy==1.17.1
 pyright==1.1.403
 
 # Libraries used by our various scripts.
diff --git a/stubs/openpyxl/@tests/test_cases/check_base_descriptors.py b/stubs/openpyxl/@tests/test_cases/check_base_descriptors.py
index a0d5e6d03330..858892a974bc 100644
--- a/stubs/openpyxl/@tests/test_cases/check_base_descriptors.py
+++ b/stubs/openpyxl/@tests/test_cases/check_base_descriptors.py
@@ -236,7 +236,7 @@ class WithDescriptorsStrict(Strict):
 with_descriptors.set_tuple_none = 0.0
 with_descriptors.set_tuple_none = None
 with_descriptors.set_tuple_none = "none"  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
-with_descriptors.set_tuple_none = object()  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
+with_descriptors.set_tuple_none = object()  # type: ignore
 
 
 with_descriptors.noneset_tuple = "a"
diff --git a/stubs/openpyxl/@tests/test_cases/check_nested_descriptors.py b/stubs/openpyxl/@tests/test_cases/check_nested_descriptors.py
index 1526334acbe2..3d36ab215fff 100644
--- a/stubs/openpyxl/@tests/test_cases/check_nested_descriptors.py
+++ b/stubs/openpyxl/@tests/test_cases/check_nested_descriptors.py
@@ -222,15 +222,13 @@ class WithDescriptorsStrict(Strict):
 with_descriptors.set_tuple_none = 0.0
 with_descriptors.set_tuple_none = None
 with_descriptors.set_tuple_none = "none"  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
-with_descriptors.set_tuple_none = object()  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
+with_descriptors.set_tuple_none = object()  # type: ignore
 with_descriptors.set_tuple_none = cast(_HasTagAndGet[Literal["a"]], _)
 with_descriptors.set_tuple_none = cast(  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
     _HasTagAndGet[str], _
 )
 with_descriptors.set_tuple_none = cast(_HasTagAndGet[None], _)
-with_descriptors.set_tuple_none = cast(  # pyright: ignore[reportAttributeAccessIssue] # false negative in mypy
-    _HasTagAndGet[object], _
-)
+with_descriptors.set_tuple_none = cast(_HasTagAndGet[object], _)  # type: ignore
 
 
 with_descriptors.noneset_tuple = "a"