diff --git a/setup.cfg b/setup.cfg
index e9f2206..b6a488a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,7 +27,7 @@ package_dir=
 packages = find:
 install_requires=
     fsspec>=2023.9.2
-    oss2==2.18.1
+    oss2==2.18.3
     aiooss2>=0.2.7
 
 [options.extras_require]