diff --git a/pyproject.toml b/pyproject.toml
index 54a0e79..c61797d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
     "requests==2.32.5",
     "pandas==3.0.1",
     "pendulum==3.2.0",
-    "platformdirs==4.9.2",
+    "platformdirs==4.9.4",
     "psutil==7.2.2",
     "pvlib==0.15.0",
     "pydantic==2.12.5",