diff --git a/pyproject.toml b/pyproject.toml
index 3798ca39..05b91d35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ test = [
   "vcrpy>=8.1.1",
 ]
 release = ["build>=1.4.3", "jinja2>=3.1.6", "sphinx>=9.1.0", "twine>=6.2.0"]
-lint = ["basedpyright>=1.39.0", "ruff>=0.15.10"]
+lint = ["basedpyright>=1.39.3", "ruff>=0.15.10"]
 dev = [
   "rich>=14.3.3",
   "splunk-sdk[openai, anthropic]",
diff --git a/uv.lock b/uv.lock
index 91e7abec..124cb724 100644
--- a/uv.lock
+++ b/uv.lock
@@ -71,14 +71,14 @@ wheels = [
 
 [[package]]
 name = "basedpyright"
-version = "1.39.0"
+version = "1.39.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodejs-wheel-binaries" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ac/f4/4a77cc1ffb3dab7391642cde30163961d8ee973e9e6b6740c7d15aa3d3ba/basedpyright-1.39.0.tar.gz", hash = "sha256:6666f51c378c7ac45877c4c1c7041ee0b5b83d755ebc82f898f47b6fafe0cc4f", size = 25357403, upload-time = "2026-04-01T12:27:41.92Z" }
+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/97/47/08145d1bcc3083ed20059bdecbde404bd767f91b91e2764ec01cffec9f4b/basedpyright-1.39.0-py3-none-any.whl", hash = "sha256:91b8ad50bc85ee4a985b928f9368c35c99eee5a56c44e99b2442fa12ecc3d670", size = 12353868, upload-time = "2026-04-01T12:27:38.495Z" },
+    { 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]]
@@ -1724,7 +1724,7 @@ provides-extras = ["compat", "ai", "anthropic", "openai"]
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "basedpyright", specifier = ">=1.39.0" },
+    { name = "basedpyright", specifier = ">=1.39.3" },
     { name = "build", specifier = ">=1.4.3" },
     { name = "jinja2", specifier = ">=3.1.6" },
     { name = "pytest", specifier = ">=9.0.3" },
@@ -1740,7 +1740,7 @@ dev = [
     { name = "vcrpy", specifier = ">=8.1.1" },
 ]
 lint = [
-    { name = "basedpyright", specifier = ">=1.39.0" },
+    { name = "basedpyright", specifier = ">=1.39.3" },
     { name = "ruff", specifier = ">=0.15.10" },
 ]
 release = [