diff --git a/pyproject.toml b/pyproject.toml
index a4475d09..71653a02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ types = [
 basedpyright = [
   { include-group = "numpy" },
   { include-group = "types" },
-  "basedpyright==1.39.2",
+  "basedpyright==1.39.3",
 ]
 mypy = [
   { include-group = "types" },
diff --git a/uv.lock b/uv.lock
index bd7e0ee8..b1f9ab6e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -40,14 +40,14 @@ wheels = [
 
 [[package]]
 name = "basedpyright"
-version = "1.39.2"
+version = "1.39.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodejs-wheel-binaries" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0d/55/15fface143942c78a99312a824b514d1e30a3aa84c8cdab2cb3578a45ed8/basedpyright-1.39.2.tar.gz", hash = "sha256:f74ac90d8de7edb6a60cfa26d06243363fedd3779463e56ea27011e2988a8035", size = 25504779, upload-time = "2026-04-17T00:36:16.636Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/04/19/5a5b9b9197973da732638957be3a65cf514d2f5a4964eeedbf33b6c65bbd/basedpyright-1.39.3.tar.gz", hash = "sha256:2f794e6b5f4260fb89f614ca6cd23c6f305373bb6b50c4ed7794ff2ae647fb14", size = 25503187, upload-time = "2026-04-20T22:14:47.424Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/79/e4/768583617120583784da8947d16702f291247f4f30bb888d25627c7c9bc3/basedpyright-1.39.2-py3-none-any.whl", hash = "sha256:33494ffd2a24a2e7fcbc4a00b93881697388c7479daaa2e6b159f566cc41b6a6", size = 12419182, upload-time = "2026-04-17T00:36:22.168Z" },
+    { url = "https://files.pythonhosted.org/packages/54/5c/f950c1239ad26f3bb453e665428a2cf1893995de725a5eb0b64a2520b366/basedpyright-1.39.3-py3-none-any.whl", hash = "sha256:aba760dc83307727554f936d6b4381caa14482f30dbc2173167710e217c1f7ab", size = 12419181, upload-time = "2026-04-20T22:14:51.975Z" },
 ]
 
 [[package]]
@@ -848,7 +848,7 @@ provides-extras = ["numpy"]
 
 [package.metadata.requires-dev]
 basedpyright = [
-    { name = "basedpyright", specifier = "==1.39.2" },
+    { name = "basedpyright", specifier = "==1.39.3" },
     { name = "numtype", extras = ["numpy"] },
     { name = "pytest", specifier = ">=9.0.3" },
     { name = "types-setuptools", specifier = ">=82.0.0.20260408" },
@@ -856,7 +856,7 @@ basedpyright = [
     { name = "typing-extensions", specifier = ">=4.15.0" },
 ]
 dev = [
-    { name = "basedpyright", specifier = "==1.39.2" },
+    { name = "basedpyright", specifier = "==1.39.3" },
     { name = "dprint-py", specifier = ">=0.53.1.0" },
     { name = "markdown-callouts", specifier = ">=0.4.0" },
     { name = "mkdocs-awesome-nav", specifier = ">=3.3.0" },
@@ -908,7 +908,7 @@ pytest = [
     { name = "typing-extensions", specifier = ">=4.15.0" },
 ]
 typecheck = [
-    { name = "basedpyright", specifier = "==1.39.2" },
+    { name = "basedpyright", specifier = "==1.39.3" },
     { name = "mypy", extras = ["faster-cache"], specifier = ">=1.20.1" },
     { name = "numtype", extras = ["numpy"] },
     { name = "pytest", specifier = ">=9.0.3" },