diff --git a/cdr_schemas/cdr_responses/features.py b/cdr_schemas/cdr_responses/features.py
index 940f765..d2ca444 100644
--- a/cdr_schemas/cdr_responses/features.py
+++ b/cdr_schemas/cdr_responses/features.py
@@ -39,7 +39,9 @@ class PolygonExtractionResponse(BaseModel):
         default="", description="System version that published this item"
     )
     validated: Optional[bool] = Field(default=None, description="Validated by human")
-    legend_id: str = Field(default="", description="Associated CDR legend id")
+    legend_id: Optional[str] = Field(
+        default=None, description="Associated CDR legend id"
+    )
     projected_feature: List[ProjectedFeature] = Field(
         default_factory=list,
         description="""
@@ -82,7 +84,7 @@ class PointExtractionResponse(BaseModel):
         default="", description="System Version that published this item"
     )
     validated: Optional[bool] = Field(default=None, description="Validated by human")
-    legend_id: str = Field(default="", description="Associated legend id")
+    legend_id: Optional[str] = Field(default=None, description="Associated legend id")
     projected_feature: List[ProjectedFeature] = Field(
         default_factory=list,
         description="""
@@ -118,7 +120,7 @@ class LineExtractionResponse(BaseModel):
         default="", description="System version that published this item"
     )
     validated: Optional[bool] = Field(default=None, description="Validated by human")
-    legend_id: str = Field(default="", description="Associated legend id")
+    legend_id: Optional[str] = Field(default=None, description="Associated legend id")
     projected_feature: List[ProjectedFeature] = Field(
         default_factory=list,
         description="""
diff --git a/pyproject.toml b/pyproject.toml
index aa9141c..8e616fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cdr_schemas"
-version = "0.4.3"
+version = "0.4.4"
 description = "CDR Schemas"
 authors = []
 readme = "README.md"