diff --git a/setup.py b/setup.py
index 6357332..e83ab5f 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
     "entrypoints",
     "numpy",
     "pandas",
-    "xarray<2022.6",  # groupby bug was introduced in index refactor: https://github.com/pydata/xarray/issues/6836
+    "xarray",  # groupby bug was introduced in index refactor: https://github.com/pydata/xarray/issues/6836
     "netcdf4!=1.6.0,<1.6.5",  # https://github.com/Unidata/netcdf4-python/issues/1175, py3.7 only supported until 1.6.4
 ]