diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3b7410c8..3a070655 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -45,7 +45,7 @@ packaging==26.0 ; python_version >= "3.11" and python_version < "3.15"
 pandas==3.0.0 ; python_version >= "3.11" and python_version < "3.15"
 parameterized==0.9.0 ; python_version >= "3.11" and python_version < "3.15"
 pillow==12.1.1 ; python_version >= "3.11" and python_version < "3.15"
-platformdirs==4.5.1 ; python_version >= "3.11" and python_version < "3.15"
+platformdirs==4.7.0 ; python_version >= "3.11" and python_version < "3.15"
 pluggy==1.6.0 ; python_version >= "3.11" and python_version < "3.15"
 pooch==1.9.0 ; python_version >= "3.11" and python_version < "3.15"
 pycodestyle==2.14.0 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements.txt b/requirements.txt
index 496b83b2..bdbe6482 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ numpy==2.4.2 ; python_version >= "3.11" and python_version < "3.15"
 packaging==26.0 ; python_version >= "3.11" and python_version < "3.15"
 pandas==3.0.0 ; python_version >= "3.11" and python_version < "3.15"
 pillow==12.1.1 ; python_version >= "3.11" and python_version < "3.15"
-platformdirs==4.5.1 ; python_version >= "3.11" and python_version < "3.15"
+platformdirs==4.7.0 ; python_version >= "3.11" and python_version < "3.15"
 pooch==1.9.0 ; python_version >= "3.11" and python_version < "3.15"
 pyerfa==2.0.1.5 ; python_version >= "3.11" and python_version < "3.15"
 pyparsing==3.3.2 ; python_version >= "3.11" and python_version < "3.15"