diff --git a/setup.py b/setup.py
index f5cc028d..e43b3366 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ def read(fname):
 install_requires += (["dask"],)
 install_requires += (["distributed"],)
 install_requires += (["zarr>=2.8.1"],)
-install_requires += (["fsspec[s3]>=0.8,!=2021.07.0"],)
+install_requires += (["fsspec[s3]>=0.8,!=2021.07.0,!=2023.09.0"],)
 # See https://github.com/fsspec/filesystem_spec/issues/819
 install_requires += (["aiohttp<4"],)
 install_requires += (["requests"],)