diff --git a/tests/requirements.txt b/tests/requirements.txt
index f82bed4..bca5475 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,5 @@
 audb >=1.6.5  # for audb.Dependencies.__eq__()
 audeer >=1.21.0
+audformat >=1.3.1  # for ISO language test
 pytest
 tabulate
diff --git a/tests/test_dataset.py b/tests/test_dataset.py
index 574305d..38d559c 100644
--- a/tests/test_dataset.py
+++ b/tests/test_dataset.py
@@ -234,15 +234,15 @@ def test_dataset(audb_cache, tmpdir, repository, db, request):
                 "Egyptian Arabic",
                 "Libyan Arabic",
                 "Moroccan Arabic",
-                "North Levantine Arabic",
+                "Levantine Arabic",
             ],
-            ["arz", "ary", "apc", "ayl", "arq"],
+            ["arq", "arz", "ayl", "ary", "apc"],
         ),
         (["Algerian Arabic"], ["arq"]),
         (["Egyptian Arabic"], ["arz"]),
         (["Libyan Arabic"], ["ayl"]),
-        (["North Levantine Arabic"], ["apc"]),
         (["Moroccan Arabic"], ["ary"]),
+        (["Levantine Arabic"], ["apc"]),
     ],
 )
 def test_iso_language_mappings(languages, iso_languages_expected):