diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index a27ed42c984bf..d4a2bedcfba1a 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -74,7 +74,7 @@ jobs:
 
     - name: Install pyright
       # note: keep version in sync with .pre-commit-config.yaml
-      run: npm install -g pyright@1.1.230
+      run: npm install -g pyright@1.1.245
 
     - name: Build Pandas
       id: build
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bd095c03e6fdb..fac09fcf70511 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -89,7 +89,7 @@ repos:
         types: [python]
         stages: [manual]
         # note: keep version in sync with .github/workflows/code-checks.yml
-        additional_dependencies: ['pyright@1.1.230']
+        additional_dependencies: ['pyright@1.1.245']
 -   repo: local
     hooks:
     -   id: flake8-rst
diff --git a/pandas/_libs/interval.pyi b/pandas/_libs/interval.pyi
index bad6013aa58b6..9b727b6278792 100644
--- a/pandas/_libs/interval.pyi
+++ b/pandas/_libs/interval.pyi
@@ -68,10 +68,12 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         left: _OrderableT,
         right: _OrderableT,
         closed: IntervalClosedType = ...,
-    ): ...
+    ) -> None: ...
     def __hash__(self) -> int: ...
     @overload
-    def __contains__(self: Interval[_OrderableTimesT], _OrderableTimesT) -> bool: ...
+    def __contains__(
+        self: Interval[_OrderableTimesT], key: _OrderableTimesT
+    ) -> bool: ...
     @overload
     def __contains__(
         self: Interval[_OrderableScalarT], key: Union[int, float]
@@ -83,9 +85,9 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         self: Interval[_OrderableTimesT], y: Timedelta
     ) -> Interval[_OrderableTimesT]: ...
     @overload
-    def __add__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __add__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __add__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __add__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
@@ -93,9 +95,9 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         self: Interval[_OrderableTimesT], y: Timedelta
     ) -> Interval[_OrderableTimesT]: ...
     @overload
-    def __radd__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __radd__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __radd__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __radd__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
@@ -103,9 +105,9 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         self: Interval[_OrderableTimesT], y: Timedelta
     ) -> Interval[_OrderableTimesT]: ...
     @overload
-    def __sub__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __sub__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __sub__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __sub__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
@@ -113,33 +115,33 @@ class Interval(IntervalMixin, Generic[_OrderableT]):
         self: Interval[_OrderableTimesT], y: Timedelta
     ) -> Interval[_OrderableTimesT]: ...
     @overload
-    def __rsub__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __rsub__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __rsub__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __rsub__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
-    def __mul__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __mul__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __mul__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __mul__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
-    def __rmul__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __rmul__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __rmul__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __rmul__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
-    def __truediv__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __truediv__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __truediv__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __truediv__(self: Interval[float], y: Union[int, float]) -> Interval[float]: ...
     @overload
-    def __floordiv__(self: Interval[int], y: int) -> Interval[int]: ...
-    @overload
-    def __floordiv__(self: Interval[int], y: float) -> Interval[float]: ...
+    def __floordiv__(
+        self: Interval[int], y: _OrderableScalarT
+    ) -> Interval[_OrderableScalarT]: ...
     @overload
     def __floordiv__(
         self: Interval[float], y: Union[int, float]
@@ -157,7 +159,7 @@ class IntervalTree(IntervalMixin):
         right: np.ndarray,
         closed: IntervalClosedType = ...,
         leaf_size: int = ...,
-    ): ...
+    ) -> None: ...
     @property
     def mid(self) -> np.ndarray: ...
     @property
diff --git a/pyproject.toml b/pyproject.toml
index 7b32c5f8eab49..030e6bc3c470c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -156,6 +156,7 @@ exclude = ["pandas/tests", "pandas/io/clipboard", "pandas/util/version"]
 # enable subset of "strict"
 reportDuplicateImport = true
 reportInvalidStubStatement = true
+reportOverlappingOverload = true
 reportPropertyTypeMismatch = true
 reportUntypedClassDecorator = true
 reportUntypedFunctionDecorator = true