diff --git a/spacy/schemas.py b/spacy/schemas.py
index baa893802..38f47c668 100644
--- a/spacy/schemas.py
+++ b/spacy/schemas.py
@@ -180,7 +180,7 @@ class ModelMetaSchema(BaseModel):
     url: StrictStr = Field("", title="Model author URL")
     sources: Optional[Union[List[StrictStr], List[Dict[str, str]]]] = Field(None, title="Training data sources")
     vectors: Dict[str, Any] = Field({}, title="Included word vectors")
-    labels: Dict[str, Dict[str, List[str]]] = Field({}, title="Component labels, keyed by component name")
+    labels: Dict[str, List[str]] = Field({}, title="Component labels, keyed by component name")
     accuracy: Dict[str, Union[float, Dict[str, float]]] = Field({}, title="Accuracy numbers")
     speed: Dict[str, Union[float, int]] = Field({}, title="Speed evaluation numbers")
     spacy_git_version: StrictStr = Field("", title="Commit of spaCy version used")