diff --git a/pyproject.toml b/pyproject.toml
index 8d73627e..04dc3998 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "dask>=2024.4.1",
     "fsspec<=2023.6",
     "geopandas>=0.14",
-    "multiscale_spatial_image>=1.0.0",
+    "multiscale_spatial_image>=1.0.0,<2.0.0",
     "networkx",
     "numba",
     "numpy",