diff --git a/.ci/requirements-mypy.txt b/.ci/requirements-mypy.txt
index 10e59b885ef..2e361047891 100644
--- a/.ci/requirements-mypy.txt
+++ b/.ci/requirements-mypy.txt
@@ -1,4 +1,4 @@
-mypy==1.14.1
+mypy==1.15.0
 IceSpringPySideStubs-PyQt6
 IceSpringPySideStubs-PySide6
 ipython
diff --git a/src/PIL/TiffImagePlugin.py b/src/PIL/TiffImagePlugin.py
index 0454038e8ab..3d36d1abc43 100644
--- a/src/PIL/TiffImagePlugin.py
+++ b/src/PIL/TiffImagePlugin.py
@@ -404,7 +404,7 @@ def limit_rational(self, max_denominator: int) -> tuple[IntegralLike, int]:
     def __repr__(self) -> str:
         return str(float(self._val))
 
-    def __hash__(self) -> int:
+    def __hash__(self) -> int:  # type: ignore[override]
         return self._val.__hash__()
 
     def __eq__(self, other: object) -> bool: