diff --git a/pyproject.toml b/pyproject.toml
index 9384c32..b30c5ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
-    "basedpyright==1.38.3",
+    "basedpyright==1.38.4",
     "faker==40.11.0",
     "pytest==9.0.2",
     "ruff==0.15.6",
diff --git a/uv.lock b/uv.lock
index bfeac79..27bc04b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -22,14 +22,14 @@ wheels = [
 
 [[package]]
 name = "basedpyright"
-version = "1.38.3"
+version = "1.38.4"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodejs-wheel-binaries" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0f/58/7abba2c743571a42b2548f07aee556ebc1e4d0bc2b277aeba1ee6c83b0af/basedpyright-1.38.3.tar.gz", hash = "sha256:9725419786afbfad8a9539527f162da02d462afad440b0412fdb3f3cdf179b90", size = 25277430, upload-time = "2026-03-17T13:10:41.526Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/08/b4/26cb812eaf8ab56909c792c005fe1690706aef6f21d61107639e46e9c54c/basedpyright-1.38.4.tar.gz", hash = "sha256:8e7d4f37ffb6106621e06b9355025009cdf5b48f71c592432dd2dd304bf55e70", size = 25354730, upload-time = "2026-03-25T13:50:44.353Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2c/e3/3ebb5c23bd3abb5fc2053b8a06a889aa5c1cf8cff738c78cb6c1957e90cd/basedpyright-1.38.3-py3-none-any.whl", hash = "sha256:1f15c2e489c67d6c5e896c24b6a63251195c04223a55e4568b8f8e8ed49ca830", size = 12313363, upload-time = "2026-03-17T13:10:47.344Z" },
+    { url = "https://files.pythonhosted.org/packages/62/0b/3f95fd47def42479e61077523d3752086d5c12009192a7f1c9fd5507e687/basedpyright-1.38.4-py3-none-any.whl", hash = "sha256:90aa067cf3e8a3c17ad5836a72b9e1f046bc72a4ad57d928473d9368c9cd07a2", size = 12352258, upload-time = "2026-03-25T13:50:41.059Z" },
 ]
 
 [[package]]
@@ -377,7 +377,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "basedpyright", specifier = "==1.38.3" },
+    { name = "basedpyright", specifier = "==1.38.4" },
     { name = "faker", specifier = "==40.11.0" },
     { name = "pytest", specifier = "==9.0.2" },
     { name = "ruff", specifier = "==0.15.6" },