diff --git a/pyproject.toml b/pyproject.toml
index 39289237..7912e250 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "dvc==3.65.0",
     "exceptiongroup==1.3.0",
     "executing==2.2.1",
-    "filelock==3.19.1",
+    "filelock==3.20.1",
     "fonttools==4.61.0",
     "frozenlist==1.8.0",
     "fsspec==2025.9.0",