diff --git a/pyproject.toml b/pyproject.toml
index 5b32b3d0..c47eb627 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ donfig = "^0.7.0"
 python-casacore = "^3.5.1"
 pyarrow = {version = "^14.0.1", optional = true}
 zarr = {version = "^2.12.0", optional=true}
-xarray = {version = ">= 2023.1.1", optional=true}
+xarray = {version = ">= 2023.01.0", optional=true}
 s3fs = {version = ">= 2023.1.0", optional=true}
 minio = {version = "^7.2.0", optional = true}
 pytest = {version = "^7.1.3", optional=true}