diff --git a/xhistogram/test/test_chunking_hypotheses.py b/xhistogram/test/test_chunking_hypotheses.py
index 51bdf9e..c7527af 100644
--- a/xhistogram/test/test_chunking_hypotheses.py
+++ b/xhistogram/test/test_chunking_hypotheses.py
@@ -41,6 +41,7 @@ def test_all_chunking_patterns_1d(self, chunks):
         np.testing.assert_allclose(hist, h)
 
     # TODO mark as slow?
+    @settings(deadline=None)
     @given(chunk_shapes(n_dim=2, max_arr_len=8))
     def test_all_chunking_patterns_2d(self, chunks):