diff --git a/pyproject.toml b/pyproject.toml
index 78214a2..a88ffea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dev = [
   "cruft==2.15.0",
   "herbarium",
   "invoke==2.2.0",
-  "pyright==1.1.390",
+  "pyright==1.1.391",
   "pre-commit==4.0.1",
   "ruff==0.4.5",
   "lumberman",
diff --git a/uv.lock b/uv.lock
index 89649f9..f7ebedd 100644
--- a/uv.lock
+++ b/uv.lock
@@ -570,7 +570,7 @@ wheels = [
 
 [[package]]
 name = "memium"
-version = "0.25.21"
+version = "0.25.22"
 source = { editable = "." }
 dependencies = [
     { name = "bs4" },
@@ -620,7 +620,7 @@ requires-dist = [
     { name = "markdown", specifier = "==3.7" },
     { name = "pre-commit", marker = "extra == 'dev'", specifier = "==4.0.1" },
     { name = "pydantic", specifier = "==2.10.3" },
-    { name = "pyright", marker = "extra == 'dev'", specifier = "==1.1.390" },
+    { name = "pyright", marker = "extra == 'dev'", specifier = "==1.1.391" },
     { name = "pytest", marker = "extra == 'tests'", specifier = "==8.3.4" },
     { name = "pytest-cov", marker = "extra == 'tests'", specifier = "==6.0.0" },
     { name = "pytest-sugar", marker = "extra == 'tests'", specifier = "==1.0.0" },
@@ -786,15 +786,15 @@ wheels = [
 
 [[package]]
 name = "pyright"
-version = "1.1.390"
+version = "1.1.391"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodeenv" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ba/42/1e0392f35dd275f9f775baf7c86407cef7f6a0d9b8e099a93e5422a7e571/pyright-1.1.390.tar.gz", hash = "sha256:aad7f160c49e0fbf8209507a15e17b781f63a86a1facb69ca877c71ef2e9538d", size = 21950 }
+sdist = { url = "https://files.pythonhosted.org/packages/11/05/4ea52a8a45cc28897edb485b4102d37cbfd5fce8445d679cdeb62bfad221/pyright-1.1.391.tar.gz", hash = "sha256:66b2d42cdf5c3cbab05f2f4b76e8bec8aa78e679bfa0b6ad7b923d9e027cadb2", size = 21965 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/43/20/3f492ca789fb17962ad23619959c7fa642082621751514296c58de3bb801/pyright-1.1.390-py3-none-any.whl", hash = "sha256:ecebfba5b6b50af7c1a44c2ba144ba2ab542c227eb49bc1f16984ff714e0e110", size = 18579 },
+    { url = "https://files.pythonhosted.org/packages/ad/89/66f49552fbeb21944c8077d11834b2201514a56fd1b7747ffff9630f1bd9/pyright-1.1.391-py3-none-any.whl", hash = "sha256:54fa186f8b3e8a55a44ebfa842636635688670c6896dcf6cf4a7fc75062f4d15", size = 18579 },
 ]
 
 [[package]]