diff --git a/pyproject.toml b/pyproject.toml
index ffc0913..0639797 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
 
 [project.optional-dependencies]
 s3 = [
-    "s3fs~=2025.9.0",
+    "s3fs~=2025.12.0",
 ]
 
 [project.scripts]