diff --git a/requirements.in b/requirements.in
index e9181c89..d57b8124 100644
--- a/requirements.in
+++ b/requirements.in
@@ -252,7 +252,7 @@ patsy==1.0.2
     #   statsmodels
 pillow==12.1.1
     # via matplotlib
-platformdirs==4.9.2
+platformdirs==4.9.4
     # via
     #   python-discovery
     #   tox
diff --git a/requirements.txt b/requirements.txt
index 108c434c..05dafb6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1662,9 +1662,9 @@ pillow==12.1.1 \
     # via
     #   -r requirements.in
     #   matplotlib
-platformdirs==4.9.2 \
-    --hash=sha256:9170634f126f8efdae22fb58ae8a0eaa86f38365bc57897a6c4f781d1f5875bd \
-    --hash=sha256:9a33809944b9db043ad67ca0db94b14bf452cc6aeaac46a88ea55b26e2e9d291
+platformdirs==4.9.4 \
+    --hash=sha256:1ec356301b7dc906d83f371c8f487070e99d3ccf9e501686456394622a01a934 \
+    --hash=sha256:68a9a4619a666ea6439f2ff250c12a853cd1cbd5158d258bd824a7df6be2f868
     # via
     #   -r requirements.in
     #   python-discovery