diff --git a/src/backend/langflow/graph/graph/constants.py b/src/backend/langflow/graph/graph/constants.py
index 3398f253f..9474e311e 100644
--- a/src/backend/langflow/graph/graph/constants.py
+++ b/src/backend/langflow/graph/graph/constants.py
@@ -1,18 +1,5 @@
 from langflow.graph.vertex.base import Vertex
-from langflow.graph.vertex.types import (
-    AgentVertex,
-    ChainVertex,
-    DocumentLoaderVertex,
-    EmbeddingVertex,
-    LLMVertex,
-    MemoryVertex,
-    PromptVertex,
-    TextSplitterVertex,
-    ToolVertex,
-    ToolkitVertex,
-    VectorStoreVertex,
-    WrapperVertex,
-)
+from langflow.graph.vertex import types
 from langflow.interface.agents.base import agent_creator
 from langflow.interface.chains.base import chain_creator
 from langflow.interface.document_loaders.base import documentloader_creator
@@ -25,22 +12,23 @@ from langflow.interface.toolkits.base import toolkits_creator
 from langflow.interface.tools.base import tool_creator
 from langflow.interface.vector_store.base import vectorstore_creator
 from langflow.interface.wrappers.base import wrapper_creator
-
+from langflow.interface.retrievers.base import retriever_creator
 
 from typing import Dict, Type
 
 
 VERTEX_TYPE_MAP: Dict[str, Type[Vertex]] = {
-    **{t: PromptVertex for t in prompt_creator.to_list()},
-    **{t: AgentVertex for t in agent_creator.to_list()},
-    **{t: ChainVertex for t in chain_creator.to_list()},
-    **{t: ToolVertex for t in tool_creator.to_list()},
-    **{t: ToolkitVertex for t in toolkits_creator.to_list()},
-    **{t: WrapperVertex for t in wrapper_creator.to_list()},
-    **{t: LLMVertex for t in llm_creator.to_list()},
-    **{t: MemoryVertex for t in memory_creator.to_list()},
-    **{t: EmbeddingVertex for t in embedding_creator.to_list()},
-    **{t: VectorStoreVertex for t in vectorstore_creator.to_list()},
-    **{t: DocumentLoaderVertex for t in documentloader_creator.to_list()},
-    **{t: TextSplitterVertex for t in textsplitter_creator.to_list()},
+    **{t: types.PromptVertex for t in prompt_creator.to_list()},
+    **{t: types.AgentVertex for t in agent_creator.to_list()},
+    **{t: types.ChainVertex for t in chain_creator.to_list()},
+    **{t: types.ToolVertex for t in tool_creator.to_list()},
+    **{t: types.ToolkitVertex for t in toolkits_creator.to_list()},
+    **{t: types.WrapperVertex for t in wrapper_creator.to_list()},
+    **{t: types.LLMVertex for t in llm_creator.to_list()},
+    **{t: types.MemoryVertex for t in memory_creator.to_list()},
+    **{t: types.EmbeddingVertex for t in embedding_creator.to_list()},
+    **{t: types.VectorStoreVertex for t in vectorstore_creator.to_list()},
+    **{t: types.DocumentLoaderVertex for t in documentloader_creator.to_list()},
+    **{t: types.TextSplitterVertex for t in textsplitter_creator.to_list()},
+    **{t: types.RetrieverVertex for t in retriever_creator.to_list()},
 }