tests/datetime/test_dateutil_timezones.py | 6 ++++++
 tests/dpcontracts/test_contracts.py       | 7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tests/datetime/test_dateutil_timezones.py b/tests/datetime/test_dateutil_timezones.py
index e3afd61fb..507608ff0 100644
--- a/tests/datetime/test_dateutil_timezones.py
+++ b/tests/datetime/test_dateutil_timezones.py
@@ -79,6 +79,8 @@ def test_time_bounds_must_be_naive(name, val):
         times(**{name: val}).validate()
 
 
+@pytest.mark.xfail
+# https://github.com/dateutil/dateutil/issues/1087
 def test_should_have_correct_ordering():
     def offset(timezone):
         return abs(timezone.utcoffset(dt.datetime(2000, 1, 1)))
@@ -108,6 +110,8 @@ def test_dateutil_exists_our_not_exists_are_inverse(value):
     assert datetime_does_not_exist(value) == (not tz.datetime_exists(value))
 
 
+@pytest.mark.xfail
+# https://github.com/dateutil/dateutil/issues/1087
 def test_datetimes_can_exclude_imaginary():
     find_any(
         datetimes(**DAY_WITH_IMAGINARY_HOUR_KWARGS, allow_imaginary=True),
@@ -127,6 +131,8 @@ def test_datetimes_can_exclude_imaginary():
         allow_imaginary=False,
     )
 )
+@pytest.mark.xfail
+# https://github.com/dateutil/dateutil/issues/1087
 def test_non_imaginary_datetimes_at_boundary(val):
     # This is expected to fail because Australia/Sydney is UTC+10,
     # and the filter logic overflows when checking for round-trips.
diff --git a/tests/dpcontracts/test_contracts.py b/tests/dpcontracts/test_contracts.py
index 983438ad2..f96ede25d 100644
--- a/tests/dpcontracts/test_contracts.py
+++ b/tests/dpcontracts/test_contracts.py
@@ -9,7 +9,8 @@
 # obtain one at https://mozilla.org/MPL/2.0/.
 
 import pytest
-from dpcontracts import require
+
+dpcontracts = pytest.importorskip("dpcontracts")
 
 from hypothesis import given
 from hypothesis.errors import InvalidArgument
@@ -21,7 +22,9 @@ def identity(x):
     return x
 
 
-@require("division is undefined for zero", lambda args: args.n != 0)
+@dpcontracts.require(
+    "division is undefined for zero", lambda args: args.n != 0
+)
 def invert(n):
     return 1 / n