diff --git a/tests/fixtures/test_cellxgene.json b/tests/fixtures/test_cellxgene.json
index 143d9f36..941166e1 100644
--- a/tests/fixtures/test_cellxgene.json
+++ b/tests/fixtures/test_cellxgene.json
@@ -12,7 +12,7 @@
                 "SLC5A1"
             ],
             "tissue": "lung",
-            "census_version": "2023-05-08"
+            "census_version": "2023-05-15"
         },
         "expected_result": {
             "n_obs": 3322,
@@ -43,7 +43,7 @@
             "tissue": "lung",
             "meta_only": true,
             "species": "mus_musculus",
-            "census_version": "2023-05-08"
+            "census_version": "2023-05-15"
         },
         "expected_result": [
             [