diff --git a/pyproject.toml b/pyproject.toml
index 0f04bd1..70fe6bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "lib-shared-models"
-version = "0.1.0"
+version = "0.1.1"
 description = "Shared model(s) to validate against"
 requires-python = ">=3.9"
 dependencies = []
diff --git a/src/shared_models/message.py b/src/shared_models/message.py
index ac613c4..c4ed114 100644
--- a/src/shared_models/message.py
+++ b/src/shared_models/message.py
@@ -112,7 +112,9 @@ class Message:
 			raise MessageValidationError(issues)
 		return cls(title, body, link, category, timestamp)
 
-	def to_dict(self) -> dict[str, Any]:
+	def to_dict(self, *, exclude_none: bool = False) -> dict[str, Any]:
 		d = asdict(self)
 		d["category"] = self.category.value
+		if exclude_none:
+			d = {k: v for k, v in d.items() if v is not None}
 		return d
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