diff --git a/setup.py b/setup.py
index 24a6b799..1409fb47 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 PREFIX = os.environ.get('PREFIX', "")
 
 base = ["cython >= 0.26", "biom-format", "numpy", "h5py >= 3.3.0",
-        "scikit-bio >= 0.5.8", "iow"]
+        "scikit-bio >= 0.6.0", "iow"]
 
 test = ["nose", "flake8"]
 
diff --git a/unifrac/tests/test_api.py b/unifrac/tests/test_api.py
index 25eab211..1586b9e6 100644
--- a/unifrac/tests/test_api.py
+++ b/unifrac/tests/test_api.py
@@ -37,7 +37,7 @@ def test_unweighted_inmem(self):
         otu_ids = table.ids(axis='observation')
         cnts = table.matrix_data.astype(int).toarray().T
         exp = skbio.diversity.beta_diversity('unweighted_unifrac', cnts,
-                                             ids=ids, otu_ids=otu_ids,
+                                             ids=ids, taxa=otu_ids,
                                              tree=tree)
         obs = ssu_inmem(table, tree, 'unweighted', False, 1.0,
                         False, 1)
@@ -57,7 +57,7 @@ def test_unweighted_fp32_inmem(self):
         otu_ids = table.ids(axis='observation')
         cnts = table.matrix_data.astype(int).toarray().T
         exp = skbio.diversity.beta_diversity('unweighted_unifrac', cnts,
-                                             ids=ids, otu_ids=otu_ids,
+                                             ids=ids, taxa=otu_ids,
                                              tree=tree)
         obs = ssu_inmem(table, tree, 'unweighted_fp32', False, 1.0,
                         False, 1)
@@ -77,7 +77,7 @@ def test_unweighted_fp64_inmem(self):
         otu_ids = table.ids(axis='observation')
         cnts = table.matrix_data.astype(int).toarray().T
         exp = skbio.diversity.beta_diversity('unweighted_unifrac', cnts,
-                                             ids=ids, otu_ids=otu_ids,
+                                             ids=ids, taxa=otu_ids,
                                              tree=tree)
         obs = ssu_inmem(table, tree, 'unweighted_fp64', False, 1.0,
                         False, 1)
@@ -102,7 +102,7 @@ def test_unweighted_root_eval_issue_46(self):
         otu_ids = table_inmem.ids(axis='observation')
         cnts = table_inmem.matrix_data.astype(int).toarray().T
         exp = skbio.diversity.beta_diversity('unweighted_unifrac', cnts,
-                                             ids=ids, otu_ids=otu_ids,
+                                             ids=ids, taxa=otu_ids,
                                              tree=tree_inmem)
         obs = ssu(table, tree, 'unweighted', False, 1.0, False, 1)
         npt.assert_almost_equal(obs.data, exp.data, decimal=6)