diff --git a/pyproject.toml b/pyproject.toml
index 04093bd..5496af7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,7 @@ dependencies = [
     "numpy",
     "h5py",
     "psycopg2-binary",
+    "fsspec",
 ]
 
 [tool.setuptools.dynamic]