diff --git a/pyproject.toml b/pyproject.toml
index 4439d9d2..5b776660 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ classifiers = [
   "Typing :: Stubs Only",
 ]
 requires-python = ">=3.11"
-dependencies = ["optype>=0.10.0,<1"]
+dependencies = ["optype>=0.11.0,<1"]
 
 [project.optional-dependencies]
 scipy = ["scipy>=1.16.0,<1.17"]
diff --git a/scipy-stubs/sparse/_construct.pyi b/scipy-stubs/sparse/_construct.pyi
index 078f769a..2cf16e25 100644
--- a/scipy-stubs/sparse/_construct.pyi
+++ b/scipy-stubs/sparse/_construct.pyi
@@ -86,9 +86,8 @@ class _DataSampler(Protocol):
 
 ###
 
-# NOTE: The `overload-overlap` mypy errors are false positives.
 @overload  # diagonals: <known>, dtype: None = ..., format: {"dia", None} = ...
-def diags_array(  # type: ignore[overload-overlap]
+def diags_array(
     diagonals: _ToArray1D[_SCT] | _ToArray2D[_SCT],
     /,
     *,
@@ -739,7 +738,7 @@ def random_array(
     *,
     density: float | npc.floating = 0.01,
     format: _FmtCOO = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     random_state: onp.random.ToRNG | None = None,
     data_sampler: _DataSampler | None = None,
@@ -783,7 +782,7 @@ def random_array(
     *,
     density: float | npc.floating = 0.01,
     format: _Format = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     random_state: onp.random.ToRNG | None = None,
     data_sampler: _DataSampler | None = None,
@@ -794,7 +793,7 @@ def random_array(
     *,
     density: float | npc.floating = 0.01,
     format: _Format = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     random_state: onp.random.ToRNG | None = None,
     data_sampler: _DataSampler | None = None,
@@ -873,7 +872,7 @@ def random(
     n: opt.AnyInt,
     density: float | npc.floating = 0.01,
     format: _FmtCOO = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     data_rvs: _DataRVS | None = None,
     *,
@@ -945,7 +944,7 @@ def random(
     n: opt.AnyInt,
     density: float | npc.floating = 0.01,
     format: _Format = ...,
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     data_rvs: _DataRVS | None = None,
     *,
@@ -1019,7 +1018,7 @@ def rand(
     n: opt.AnyInt,
     density: float | npc.floating = 0.01,
     format: _FmtCOO = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     *,
     random_state: onp.random.ToRNG | None = None,
@@ -1074,7 +1073,7 @@ def rand(
     n: opt.AnyInt,
     density: float | npc.floating = 0.01,
     format: _Format = "coo",
-    dtype: onp.AnyFloat64DType = None,
+    dtype: onp.AnyFloat64DType | None = None,
     rng: onp.random.ToRNG | None = None,
     *,
     random_state: onp.random.ToRNG | None = None,
diff --git a/scipy-stubs/sparse/linalg/_interface.pyi b/scipy-stubs/sparse/linalg/_interface.pyi
index db4034e1..bf784f4b 100644
--- a/scipy-stubs/sparse/linalg/_interface.pyi
+++ b/scipy-stubs/sparse/linalg/_interface.pyi
@@ -65,7 +65,7 @@ class LinearOperator(Generic[_SCT_co]):
 
     # keep in sync with `_CustomLinearOperator.__init__`
     @overload  # no dtype
-    def __new__(  # type: ignore[overload-overlap]
+    def __new__(
         cls,
         shape: _ToShape,
         matvec: _FunMatVec,
diff --git a/scipy-stubs/special/_ufuncs.pyi b/scipy-stubs/special/_ufuncs.pyi
index 255aaf71..bf7d591d 100644
--- a/scipy-stubs/special/_ufuncs.pyi
+++ b/scipy-stubs/special/_ufuncs.pyi
@@ -1067,7 +1067,12 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
     #
     @override
     def accumulate(
-        self, /, array: onp.ToFloat64_ND, axis: op.CanIndex = 0, dtype: _ToDType_fd = None, out: _Out1[_FloatND | None] = None
+        self,
+        /,
+        array: onp.ToFloat64_ND,
+        axis: op.CanIndex = 0,
+        dtype: _ToDType_fd | None = None,
+        out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     #
     @overload
@@ -1076,7 +1081,7 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
         /,
         array: onp.ToFloat64_ND,
         axis: None,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         keepdims: onp.ToFalse = False,
         initial: onp.ToFloat64 = ...,
@@ -1088,7 +1093,7 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         keepdims: onp.ToFalse = False,
         initial: onp.ToFloat64 = ...,
@@ -1100,7 +1105,7 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         *,
         keepdims: onp.ToTrue,
@@ -1125,7 +1130,7 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         *,
         out: _Out1[_OutT],
         keepdims: bool = False,
@@ -1140,7 +1145,7 @@ class _UFunc21f(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identity
         array: onp.ToFloat64_ND,
         indices: _Indices,
         axis: op.CanIndex = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     #
@@ -1223,7 +1228,12 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
     #
     @override
     def accumulate(
-        self, /, array: onp.ToFloat64_ND, axis: op.CanIndex = 0, dtype: _ToDType_fd = None, out: _Out1[_FloatND | None] = None
+        self,
+        /,
+        array: onp.ToFloat64_ND,
+        axis: op.CanIndex = 0,
+        dtype: _ToDType_fd | None = None,
+        out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     #
     @overload
@@ -1232,7 +1242,7 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: None,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         keepdims: onp.ToFalse = False,
         initial: onp.ToFloat64 = ...,
@@ -1244,7 +1254,7 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         keepdims: onp.ToFalse = False,
         initial: onp.ToFloat64 = ...,
@@ -1256,7 +1266,7 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         *,
         keepdims: onp.ToTrue,
@@ -1281,7 +1291,7 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         *,
         out: _Out1[_OutT],
         keepdims: bool = False,
@@ -1296,7 +1306,7 @@ class _UFunc21fc1(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         array: onp.ToFloat64_ND,
         indices: _Indices,
         axis: op.CanIndex = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     #
@@ -1351,7 +1361,12 @@ class _UFunc21fc2(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
     #
     @overload
     def accumulate(
-        self, /, array: onp.ToFloat64_ND, axis: op.CanIndex = 0, dtype: _ToDType_fd = None, out: _Out1[_FloatND | None] = None
+        self,
+        /,
+        array: onp.ToFloat64_ND,
+        axis: op.CanIndex = 0,
+        dtype: _ToDType_fd | None = None,
+        out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     @overload
     def accumulate(
@@ -1369,7 +1384,7 @@ class _UFunc21fc2(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: None,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         keepdims: onp.ToFalse = False,
         initial: onp.ToFloat = ...,
@@ -1381,7 +1396,7 @@ class _UFunc21fc2(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         /,
         array: onp.ToFloat64_ND,
         axis: _Axis = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1 = None,
         *,
         keepdims: onp.ToTrue,
@@ -1458,7 +1473,7 @@ class _UFunc21fc2(_UFunc21[_NameT_co, _IdentityT_co], Generic[_NameT_co, _Identi
         array: onp.ToFloat64_ND,
         indices: _Indices,
         axis: op.CanIndex = 0,
-        dtype: _ToDType_fd = None,
+        dtype: _ToDType_fd | None = None,
         out: _Out1[_FloatND | None] = None,
     ) -> _FloatND: ...
     @overload
diff --git a/uv.lock b/uv.lock
index 61e48bf2..f85991e2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -194,14 +194,14 @@ wheels = [
 
 [[package]]
 name = "optype"
-version = "0.10.0"
+version = "0.11.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/11/11/5bc1ad8e4dd339783daec5299c9162eaa80ad072aaa1256561b336152981/optype-0.10.0.tar.gz", hash = "sha256:2b89a1b8b48f9d6dd8c4dd4f59e22557185c81823c6e2bfc43c4819776d5a7ca", size = 95630, upload-time = "2025-05-28T22:43:18.799Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f0/5b/6b6d8923bab00346cf39545e34c7ee0ee16d0deb78df72b0f968e45cdbcf/optype-0.11.0.tar.gz", hash = "sha256:8d97e0adbc7681d2317b896449b7aa061a82c8ac048787ea83f03aec39ebb832", size = 95513, upload-time = "2025-07-09T16:28:43.218Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2b/98/7f97864d5b6801bc63c24e72c45a58417c344c563ca58134a43249ce8afa/optype-0.10.0-py3-none-any.whl", hash = "sha256:7e9ccc329fb65c326c6bd62c30c2ba03b694c28c378a96c2bcdd18a084f2c96b", size = 83825, upload-time = "2025-05-28T22:43:16.772Z" },
+    { url = "https://files.pythonhosted.org/packages/83/c9/41e356d4e5f6c73e6cdf70887fc7f7d28e2757983fbb0d833c97bef14787/optype-0.11.0-py3-none-any.whl", hash = "sha256:a7513936916353de09c32181a1f221169e80b8f1491ddfa5f7f33a4f42797a7d", size = 83762, upload-time = "2025-07-09T16:28:41.93Z" },
 ]
 
 [[package]]
@@ -486,7 +486,7 @@ type = [
 
 [package.metadata]
 requires-dist = [
-    { name = "optype", specifier = ">=0.10.0,<1" },
+    { name = "optype", specifier = ">=0.11.0,<1" },
     { name = "scipy", marker = "extra == 'scipy'", specifier = ">=1.16.0,<1.17" },
 ]
 provides-extras = ["scipy"]