diff --git a/pyproject.toml b/pyproject.toml
index e5a3269..252ed29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
     "packaging",
     "pydantic ~= 1.8",
     "typing_extensions",
-    "zarr_checksum ~= 0.2.11",
+    "zarr_checksum ~= 0.4.0",
 ]
 
 [project.scripts]