diff --git a/.cirrus.yml b/.cirrus.yml
index 0771baeb2..5f2a94c16 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -26,8 +26,8 @@ macos_task:
       CMAKE_OSX_ARCHITECTURES='arm64'
       LDFLAGS="${LDFLAGS} -Wl,-rpath,${CIRRUS_WORKING_DIR}/pyproj/proj_dir/lib"
     CIBW_BEFORE_ALL_MACOS: bash ./ci/proj-compile-wheels.sh
-    CIBW_TEST_REQUIRES: cython pytest oldest-supported-numpy pandas xarray
-    CIBW_BEFORE_TEST: python -m pip install shapely || echo "Shapely install failed"
+    CIBW_TEST_REQUIRES: cython pytest oldest-supported-numpy
+    CIBW_BEFORE_TEST: python -m pip install shapely pandas xarray || echo "Optional requirements install failed"
     CIBW_TEST_COMMAND: >
       pyproj -v &&
       python -c "import pyproj; pyproj.Proj(init='epsg:4269')"  &&
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index ce8a94ffb..2a50796fc 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -137,8 +137,8 @@ jobs:
           CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair --add-path C:/vcpkg/installed/${{ matrix.triplet }}/bin -w {dest_dir} {wheel}"
           CIBW_BEFORE_ALL_LINUX: bash ./ci/proj-compile-wheels.sh
           CIBW_BEFORE_ALL_MACOS: bash ./ci/proj-compile-wheels.sh
-          CIBW_TEST_REQUIRES: cython pytest oldest-supported-numpy pandas xarray
-          CIBW_BEFORE_TEST: python -m pip install shapely || echo "Shapely install failed"
+          CIBW_TEST_REQUIRES: cython pytest oldest-supported-numpy
+          CIBW_BEFORE_TEST: python -m pip install shapely pandas xarray || echo "Optional requirements install failed"
           CIBW_TEST_COMMAND: >
             pyproj -v &&
             python -c "import pyproj; pyproj.Proj(init='epsg:4269')"  &&
diff --git a/test/test_utils.py b/test/test_utils.py
index 2d9d7cf05..f539ac761 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -2,8 +2,6 @@
 
 import numpy
 import pytest
-from pandas import Series
-from xarray import DataArray
 
 from pyproj.utils import DataType, _copytobuffer, _copytobuffer_return_scalar
 
@@ -22,7 +20,6 @@ def test__copytobuffer_return_scalar__invalid():
     "in_data, data_type",
     [
         (numpy.array(1), DataType.FLOAT),
-        (DataArray(numpy.array(1)), DataType.FLOAT),
         (1, DataType.FLOAT),
         ([1], DataType.LIST),
         ((1,), DataType.TUPLE),
@@ -32,10 +29,23 @@ def test__copytobuffer(in_data, data_type):
     assert _copytobuffer(in_data) == (array("d", [1]), data_type)
 
 
-@pytest.mark.parametrize(
-    "in_arr", [numpy.array([1]), DataArray(numpy.array([1])), Series(numpy.array([1]))]
-)
-def test__copytobuffer__numpy_array(in_arr):
+def test__copytobuffer__xarray_scalar():
+    xarray = pytest.importorskip("xarray")
+    assert _copytobuffer(xarray.DataArray(numpy.array(1))) == (
+        array("d", [1]),
+        DataType.FLOAT,
+    )
+
+
+@pytest.mark.parametrize("arr_type", ["numpy", "xarray", "pandas"])
+def test__copytobuffer__array(arr_type):
+    in_arr = numpy.array([1])
+    if arr_type == "xarray":
+        xarray = pytest.importorskip("xarray")
+        in_arr = xarray.DataArray(in_arr)
+    elif arr_type == "pandas":
+        pandas = pytest.importorskip("pandas")
+        in_arr = pandas.Series(in_arr)
     assert _copytobuffer(in_arr) == (
         in_arr.astype("d").__array__(),
         DataType.ARRAY,