diff --git a/setup.py b/setup.py
index 8cabac5..dc9fd01 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@ def long_description():
         "validator-collection==1.5.0",
         "colorlog==6.10.1",
         "packaging==25.0",
-        "platformdirs==4.5.0"
+        "platformdirs==4.9.1"
     ],
     platforms=["posix"],
     classifiers=[