diff --git a/python/pyxet/pyproject.toml b/python/pyxet/pyproject.toml
index 8067a35..e2a8ac6 100644
--- a/python/pyxet/pyproject.toml
+++ b/python/pyxet/pyproject.toml
@@ -40,7 +40,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence"
 ]
 dependencies = [
-    "fsspec>=2023.9.2",
+    "fsspec==2023.9.2",
     "typer>=0.9.0",
     "tabulate>=0.9.0",
     "s3fs>=2023.6.0",