diff --git a/dandischema/models.py b/dandischema/models.py
index 7acc8fb..a899563 100644
--- a/dandischema/models.py
+++ b/dandischema/models.py
@@ -1657,6 +1657,11 @@ class PublishedDandiset(Dandiset, Publishable):
         description="Permalink to the Dandiset.",
         json_schema_extra={"readOnly": True, "nskey": "schema"},
     )
+    releaseNotes: Optional[str] = Field(
+        None,
+        description="The description of the release",
+        json_schema_extra={"readOnly": True, "nskey": "schema"},
+    )
 
     schemaKey: Literal["Dandiset"] = Field(
         "Dandiset", validate_default=True, json_schema_extra={"readOnly": True}
diff --git a/dandischema/tests/test_models.py b/dandischema/tests/test_models.py
index b4cd299..91d6de8 100644
--- a/dandischema/tests/test_models.py
+++ b/dandischema/tests/test_models.py
@@ -450,6 +450,7 @@ def test_dantimeta_1() -> None:
     meta_dict["version"] = "0.0.0"
     meta_dict.update(_basic_publishmeta(dandi_id="999999"))
     meta_dict["assetsSummary"].update(**{"numberOfBytes": 1, "numberOfFiles": 1})
+    meta_dict["releaseNotes"] = "Releasing during testing"
     PublishedDandiset(**meta_dict)