diff --git a/requirements_dev.txt b/requirements_dev.txt
index fd3b886..1ae6af8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,7 +9,7 @@ mccabe == 0.7.0
 mypy-extensions == 1.1.0
 packaging == 25.0
 pathspec == 0.12.1
-platformdirs == 4.5.0
+platformdirs == 4.5.1
 pluggy == 1.6.0
 pylint == 4.0.4
 pytest == 9.0.1