diff --git a/requirements.txt b/requirements.txt
index 7eaa5c9..29cff9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
+climetlab>=0.5.6
 wheel>=0.22
diff --git a/setup.py b/setup.py
index 2aa18ec..bb4c903 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,6 @@ def read(fname):
     entry_points={
         "climetlab.datasets": [
             "maelstrom-yr = climetlab_maelstrom_yr.yr:Yr",
-            # "maelstrom-yr-other-dataset = climetlab_maelstrom_yr.other_dataset:OtherDatasetClass",
         ]
     },
     keywords="meteorology",
diff --git a/tests/test_a1.py b/tests/test_yr.py
similarity index 73%
rename from tests/test_a1.py
rename to tests/test_yr.py
index 6324084..f1fb785 100755
--- a/tests/test_a1.py
+++ b/tests/test_yr.py
@@ -2,13 +2,14 @@
 
 import climetlab as cml
 import pandas as pd
-from climetlab_maelstrom_a1.a1 import A1
+
+from climetlab_maelstrom_yr.yr import Yr
 
 
 def test_read():
     return
     ds = cml.load_dataset(
-        "maelstrom-a1",
+        "maelstrom-yr",
         size="5GB",
         dates=["2020-06-26"],
         parameter="air_temperature",
@@ -19,8 +20,8 @@ def test_read():
 def test_parse_dates():
     expected = ["20170101", "20170102", "20170103"]
     pd_dates = pd.date_range(start="2017-01-01", end="2017-01-03", freq="1D")
-    assert A1.parse_dates(pd_dates) == expected
-    assert A1.parse_dates(["2017-01-01", "2017-01-02", "2017-01-03"]) == expected
+    assert Yr.parse_dates(pd_dates) == expected
+    assert Yr.parse_dates(["2017-01-01", "2017-01-02", "2017-01-03"]) == expected
 
 
 if __name__ == "__main__":