diff --git a/haystack/components/retrievers/__init__.py b/haystack/components/retrievers/__init__.py
index 1f4c91424..dea2a95f8 100644
--- a/haystack/components/retrievers/__init__.py
+++ b/haystack/components/retrievers/__init__.py
@@ -1,3 +1,5 @@
 from haystack.components.retrievers.filter_retriever import FilterRetriever
+from haystack.components.retrievers.in_memory.embedding_retriever import InMemoryEmbeddingRetriever
+from haystack.components.retrievers.in_memory.bm25_retriever import InMemoryBM25Retriever
 
-__all__ = ["FilterRetriever"]
+__all__ = ["FilterRetriever", "InMemoryEmbeddingRetriever", "InMemoryBM25Retriever"]