diff --git a/.gitignore b/.gitignore
index d1a2a7d..7ba0c25 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ venv/
 build/
 dist/
 __pycache__
+src/omero_zarr/_version.py
diff --git a/setup.py b/setup.py
index 420480e..6bc443f 100644
--- a/setup.py
+++ b/setup.py
@@ -26,4 +26,6 @@
     install_requires=["omero-py>=5.6.0", "ome-zarr"],
     keywords=["OMERO.CLI", "plugin"],
     url="https://github.com/ome/omero-cli-zarr/",
+    setup_requires=["setuptools_scm"],
+    use_scm_version={"write_to": "src/omero_zarr/_version.py"},
 )
diff --git a/src/omero_zarr/__init__.py b/src/omero_zarr/__init__.py
index e69de29..a60f6e0 100644
--- a/src/omero_zarr/__init__.py
+++ b/src/omero_zarr/__init__.py
@@ -0,0 +1,5 @@
+from ._version import version as __version__
+
+__all__ = [
+    "__version__",
+]
diff --git a/src/omero_zarr/raw_pixels.py b/src/omero_zarr/raw_pixels.py
index 4b0454f..f10ccd1 100644
--- a/src/omero_zarr/raw_pixels.py
+++ b/src/omero_zarr/raw_pixels.py
@@ -10,6 +10,8 @@
 from omero.rtypes import unwrap
 from zarr.hierarchy import Group, open_group
 
+from . import __version__
+
 
 def image_to_zarr(image: omero.gateway.ImageWrapper, args: argparse.Namespace) -> None:
     target_dir = args.output
@@ -20,6 +22,7 @@ def image_to_zarr(image: omero.gateway.ImageWrapper, args: argparse.Namespace) -
     root = open_group(name, mode="w")
     n_levels = add_image(image, root, cache_dir=cache_dir)
     add_group_metadata(root, image, n_levels)
+    add_toplevel_metadata(root)
     print("Finished.")
 
 
@@ -178,6 +181,7 @@ def plate_to_zarr(plate: omero.gateway._PlateWrapper, args: argparse.Namespace)
         plate_metadata["images"] = [{"path": x} for x in paths]
         root.attrs["plate"] = plate_metadata
 
+    add_toplevel_metadata(root)
     print("Finished.")
 
 
@@ -219,6 +223,11 @@ def add_group_metadata(
     image._closeRE()
 
 
+def add_toplevel_metadata(zarr_root: Group) -> None:
+
+    zarr_root.attrs["_creator"] = {"name": "omero-zarr", "version": __version__}
+
+
 def channelMarshal(channel: omero.model.Channel) -> Dict[str, Any]:
     return {
         "label": channel.getLabel(),