diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3b915189..9a84ae6c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,7 @@ jobs:
           set -e
           python -m pip install pyflakes pytest pytest-doctestplus hypothesis pytest-cov pytest-flakes packaging
           if [[ ${{ matrix.numpy-version }} == 'latest' ]]; then
-              python -m pip install --pre --upgrade numpy
+              python -m pip install --upgrade numpy
           elif [[ ${{ matrix.numpy-version }} == 'dev' ]]; then
               python -m pip install --pre --upgrade --extra-index https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
           else
diff --git a/ndindex/array.py b/ndindex/array.py
index 4eafd990..358d3130 100644
--- a/ndindex/array.py
+++ b/ndindex/array.py
@@ -70,7 +70,7 @@ def _typecheck(self, idx, shape=None, _copy=True):
     def __array_function__(self, func, types, args, kwargs):
         return NotImplemented
 
-    def __array__(self):
+    def __array__(self, **kwargs):
         raise TypeError(f"Cannot convert {self.__class__.__name__} to an array. Use .array instead.")