diff --git a/pyproject.toml b/pyproject.toml
index 8499ce74..e5b152c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ type = [
   { include-group = "extras" },
   { include-group = "ci" },
   "array-api-compat==1.12.0", # bundled as `scipy._lib.array_api_compat`
-  "basedpyright==1.33.0",
+  "basedpyright==1.34.0",
   "mypy[faster-cache]==1.18.2",
   "pyrefly==0.42.1",
   "stubdefaulter>=0.1.0",
diff --git a/uv.lock b/uv.lock
index bf9081f7..1bc51236 100644
--- a/uv.lock
+++ b/uv.lock
@@ -18,14 +18,14 @@ wheels = [
 
 [[package]]
 name = "basedpyright"
-version = "1.33.0"
+version = "1.34.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodejs-wheel-binaries" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/62/c1/d62811ef22ec66bd3112ee2a8c18ff39ea87f3d8040cf3a93574024b17ea/basedpyright-1.33.0.tar.gz", hash = "sha256:a7e4d6d2285b93d8c0c91c75490d5bc00adbe7ef96ba1f1d4c010d9a731e243a", size = 22786957, upload-time = "2025-11-07T11:49:32.008Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a3/77/ded02ba2b400807b291fa2b9d29ac7f473e86a45d1f5212d8276e9029107/basedpyright-1.34.0.tar.gz", hash = "sha256:7ae3b06f644fac15fdd14a00d0d1f12f92a8205ae1609aabd5a0799b1a68be1d", size = 22803348, upload-time = "2025-11-19T14:48:16.38Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/38/87/d95da7ef033c26d71a7153623e7b14fd9cc2c8676e03cf4e9199320cbaf5/basedpyright-1.33.0-py3-none-any.whl", hash = "sha256:1ab813683e28184aa60fd4000731f6fe9dbd083c9bd489420bb20f3e5dbb6ab8", size = 11859149, upload-time = "2025-11-07T11:49:28.694Z" },
+    { url = "https://files.pythonhosted.org/packages/2a/9e/ced31964ed49f06be6197bd530958b6ddca9a079a8d7ee0ee7429cae9e27/basedpyright-1.34.0-py3-none-any.whl", hash = "sha256:e76015c1ebb671d2c6d7fef8a12bc0f1b9d15d74e17847b7b95a3a66e187c70f", size = 11865958, upload-time = "2025-11-19T14:48:13.724Z" },
 ]
 
 [[package]]
@@ -723,7 +723,7 @@ provides-extras = ["scipy"]
 ci = [{ name = "packaging", specifier = ">=25.0" }]
 dev = [
     { name = "array-api-compat", specifier = "==1.12.0" },
-    { name = "basedpyright", specifier = "==1.33.0" },
+    { name = "basedpyright", specifier = "==1.34.0" },
     { name = "dprint-py", specifier = "==0.50.2.0" },
     { name = "mypy", extras = ["faster-cache"], specifier = "==1.18.2" },
     { name = "packaging", specifier = ">=25.0" },
@@ -742,7 +742,7 @@ lint = [
 ]
 type = [
     { name = "array-api-compat", specifier = "==1.12.0" },
-    { name = "basedpyright", specifier = "==1.33.0" },
+    { name = "basedpyright", specifier = "==1.34.0" },
     { name = "mypy", extras = ["faster-cache"], specifier = "==1.18.2" },
     { name = "packaging", specifier = ">=25.0" },
     { name = "pyrefly", specifier = "==0.42.1" },