diff --git a/src/engram/_models/memory.py b/src/engram/_models/memory.py
index 73b30cb..27bfce1 100644
--- a/src/engram/_models/memory.py
+++ b/src/engram/_models/memory.py
@@ -56,7 +56,7 @@ class ConversationContent:
 
 @dataclass(slots=True)
 class RetrievalConfig:
-    retrieval_type: Literal["vector", "bm25", "hybrid"]
+    retrieval_type: Literal["vector", "bm25", "hybrid", "fetch"]
     limit: int | None = None