diff --git a/pyproject.toml b/pyproject.toml
index 03b7e06..2d2dff0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
     "python-dateutil",
     "spatial_image>=0.2.1",
     "xarray>=2024.10.0",
-    "zarr",
+    "zarr>=2,<3",
 ]
 
 [project.urls]