diff --git a/pyproject.toml b/pyproject.toml
index 64cfcbc..140a172 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
     "mypy-extensions==1.1.0",
     "packaging==25.0",
     "pathspec==0.12.1",
-    "platformdirs==4.4.0",
+    "platformdirs==4.5.0",
     "pluggy==1.6.0",
     "py==1.11.0",
     "pyparsing==3.2.5",
diff --git a/uv.lock b/uv.lock
index d99dd3a..8623f14 100644
--- a/uv.lock
+++ b/uv.lock
@@ -320,7 +320,7 @@ requires-dist = [
     { name = "mypy-extensions", specifier = "==1.1.0" },
     { name = "packaging", specifier = "==25.0" },
     { name = "pathspec", specifier = "==0.12.1" },
-    { name = "platformdirs", specifier = "==4.4.0" },
+    { name = "platformdirs", specifier = "==4.5.0" },
     { name = "pluggy", specifier = "==1.6.0" },
     { name = "py", specifier = "==1.11.0" },
     { name = "pyparsing", specifier = "==3.2.5" },
@@ -429,11 +429,11 @@ wheels = [
 
 [[package]]
 name = "platformdirs"
-version = "4.4.0"
+version = "4.5.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/23/e8/21db9c9987b0e728855bd57bff6984f67952bea55d6f75e055c46b5383e8/platformdirs-4.4.0.tar.gz", hash = "sha256:ca753cf4d81dc309bc67b0ea38fd15dc97bc30ce419a7f58d13eb3bf14c4febf", size = 21634, upload-time = "2025-08-26T14:32:04.268Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/61/33/9611380c2bdb1225fdef633e2a9610622310fed35ab11dac9620972ee088/platformdirs-4.5.0.tar.gz", hash = "sha256:70ddccdd7c99fc5942e9fc25636a8b34d04c24b335100223152c2803e4063312", size = 21632, upload-time = "2025-10-08T17:44:48.791Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/40/4b/2028861e724d3bd36227adfa20d3fd24c3fc6d52032f4a93c133be5d17ce/platformdirs-4.4.0-py3-none-any.whl", hash = "sha256:abd01743f24e5287cd7a5db3752faf1a2d65353f38ec26d98e25a6db65958c85", size = 18654, upload-time = "2025-08-26T14:32:02.735Z" },
+    { url = "https://files.pythonhosted.org/packages/73/cb/ac7874b3e5d58441674fb70742e6c374b28b0c7cb988d37d991cde47166c/platformdirs-4.5.0-py3-none-any.whl", hash = "sha256:e578a81bb873cbb89a41fcc904c7ef523cc18284b7e3b3ccf06aca1403b7ebd3", size = 18651, upload-time = "2025-10-08T17:44:47.223Z" },
 ]
 
 [[package]]