diff --git a/pyproject.toml b/pyproject.toml
index b6bdc71c..c4c498cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ type = [
   { include-group = "extras" },
   { include-group = "ci" },
   "array-api-compat==1.12.0", # bundled as `scipy._lib.array_api_compat`
-  "basedpyright>=1.30.0",
+  "basedpyright>=1.31.0",
   "mypy>=1.17.0",
   "orjson>=3.11.0; python_version<'3.14'", # used by mypy
 ]
diff --git a/uv.lock b/uv.lock
index 7020b3cd..ee73a909 100644
--- a/uv.lock
+++ b/uv.lock
@@ -13,14 +13,14 @@ wheels = [
 
 [[package]]
 name = "basedpyright"
-version = "1.30.0"
+version = "1.31.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodejs-wheel-binaries" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/1d/d8/a2c9dfa97de316fe228c978bc4677cadb4dc44971d52db026405b8e58377/basedpyright-1.30.0.tar.gz", hash = "sha256:45f5c94b92a8cb9506998c6d29129becd5a2118f14fdbc0df289b96d6a8ff8bc", size = 22059435, upload-time = "2025-07-09T12:12:58.642Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/20/23/6dc0df43c62fdec401b1ec3aea698ba50c5abfca25259e9f0208b34d7abe/basedpyright-1.31.0.tar.gz", hash = "sha256:900a573a525a0f66f884075c2a98711bb9478e44dc60ffdf182ef681bf8e2c76", size = 22062384, upload-time = "2025-07-16T11:37:29.189Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f6/62/65a06c403ac5e7fc0e11b5ab7617a584786a9606c4a19b7269dcc3c61eb3/basedpyright-1.30.0-py3-none-any.whl", hash = "sha256:782afca88f88a24429a82d900a77deafe88ac88af256774ee304528dd93344f2", size = 11537772, upload-time = "2025-07-09T12:12:54.568Z" },
+    { url = "https://files.pythonhosted.org/packages/5a/85/cb46707458c514ae959fe139135d8f7231d95faf1c383a56979a3436b965/basedpyright-1.31.0-py3-none-any.whl", hash = "sha256:d7460ddcd3a2332b1c3fd738735d18bf2966d49aed67237efa1f19635199d414", size = 11538999, upload-time = "2025-07-16T11:37:26.446Z" },
 ]
 
 [[package]]
@@ -495,7 +495,7 @@ provides-extras = ["scipy"]
 ci = [{ name = "packaging", specifier = ">=25.0" }]
 dev = [
     { name = "array-api-compat", specifier = "==1.12.0" },
-    { name = "basedpyright", specifier = ">=1.30.0" },
+    { name = "basedpyright", specifier = ">=1.31.0" },
     { name = "dprint-py", specifier = ">=0.50.0.0" },
     { name = "mypy", specifier = ">=1.17.0" },
     { name = "orjson", marker = "python_full_version < '3.14'", specifier = ">=3.11.0" },
@@ -513,7 +513,7 @@ lint = [
 ]
 type = [
     { name = "array-api-compat", specifier = "==1.12.0" },
-    { name = "basedpyright", specifier = ">=1.30.0" },
+    { name = "basedpyright", specifier = ">=1.31.0" },
     { name = "mypy", specifier = ">=1.17.0" },
     { name = "orjson", marker = "python_full_version < '3.14'", specifier = ">=3.11.0" },
     { name = "packaging", specifier = ">=25.0" },