diff --git a/dask_cuda/tests/test_explicit_comms.py b/dask_cuda/tests/test_explicit_comms.py
index ae4e3332c..d9cd6dfb2 100644
--- a/dask_cuda/tests/test_explicit_comms.py
+++ b/dask_cuda/tests/test_explicit_comms.py
@@ -17,6 +17,7 @@
 import dask_cuda
 from dask_cuda.explicit_comms import comms
 from dask_cuda.explicit_comms.dataframe.shuffle import shuffle as explicit_comms_shuffle
+from dask_cuda.local_cuda_cluster import IncreasedCloseTimeoutNanny
 
 mp = mp.get_context("spawn")  # type: ignore
 ucp = pytest.importorskip("ucp")
@@ -35,6 +36,7 @@ def _test_local_cluster(protocol):
         dashboard_address=None,
         n_workers=4,
         threads_per_worker=1,
+        worker_class=IncreasedCloseTimeoutNanny,
         processes=True,
     ) as cluster:
         with Client(cluster) as client:
@@ -56,6 +58,7 @@ def _test_dataframe_merge_empty_partitions(nrows, npartitions):
         dashboard_address=None,
         n_workers=npartitions,
         threads_per_worker=1,
+        worker_class=IncreasedCloseTimeoutNanny,
         processes=True,
     ) as cluster:
         with Client(cluster):
@@ -102,6 +105,7 @@ def _test_dataframe_shuffle(backend, protocol, n_workers, _partitions):
         dashboard_address=None,
         n_workers=n_workers,
         threads_per_worker=1,
+        worker_class=IncreasedCloseTimeoutNanny,
         processes=True,
     ) as cluster:
         with Client(cluster) as client:
@@ -204,6 +208,7 @@ def check_shuffle():
             dashboard_address=None,
             n_workers=2,
             threads_per_worker=1,
+            worker_class=IncreasedCloseTimeoutNanny,
             processes=True,
         ) as cluster:
             with Client(cluster):
@@ -221,6 +226,7 @@ def _test_dataframe_shuffle_merge(backend, protocol, n_workers):
         dashboard_address=None,
         n_workers=n_workers,
         threads_per_worker=1,
+        worker_class=IncreasedCloseTimeoutNanny,
         processes=True,
     ) as cluster:
         with Client(cluster):
@@ -327,6 +333,7 @@ def test_lock_workers():
         dashboard_address=None,
         n_workers=4,
         threads_per_worker=5,
+        worker_class=IncreasedCloseTimeoutNanny,
         processes=True,
     ) as cluster:
         ps = []