diff --git a/backend/onyx/agents/agent_search/basic/graph_builder.py b/backend/onyx/agents/agent_search/basic/graph_builder.py
index 43e3d0a67..8e09b62e1 100644
--- a/backend/onyx/agents/agent_search/basic/graph_builder.py
+++ b/backend/onyx/agents/agent_search/basic/graph_builder.py
@@ -85,7 +85,7 @@ if __name__ == "__main__":
 
     graph = basic_graph_builder()
     compiled_graph = graph.compile()
-    input = BasicInput(_unused=True)
+    input = BasicInput(unused=True)
     primary_llm, fast_llm = get_default_llms()
     with get_session_context_manager() as db_session:
         config, _ = get_test_config(
diff --git a/backend/onyx/agents/agent_search/basic/states.py b/backend/onyx/agents/agent_search/basic/states.py
index c862b15bf..0e5b7ea8a 100644
--- a/backend/onyx/agents/agent_search/basic/states.py
+++ b/backend/onyx/agents/agent_search/basic/states.py
@@ -17,7 +17,7 @@ from onyx.agents.agent_search.orchestration.states import ToolChoiceUpdate
 class BasicInput(BaseModel):
     # Langgraph needs a nonempty input, but we pass in all static
     # data through a RunnableConfig.
-    _unused: bool = True
+    unused: bool = True
 
 
 ## Graph Output State
diff --git a/backend/onyx/agents/agent_search/run_graph.py b/backend/onyx/agents/agent_search/run_graph.py
index bffd60f77..833243d50 100644
--- a/backend/onyx/agents/agent_search/run_graph.py
+++ b/backend/onyx/agents/agent_search/run_graph.py
@@ -142,7 +142,7 @@ def run_basic_graph(
 ) -> AnswerStream:
     graph = basic_graph_builder()
     compiled_graph = graph.compile()
-    input = BasicInput()
+    input = BasicInput(unused=True)
     return run_graph(compiled_graph, config, input)
 
 
diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index 8ba68dab1..bc23eb6d0 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -34,8 +34,8 @@ langchain-core==0.3.24
 langchain-openai==0.2.9
 langchain-text-splitters==0.3.2
 langchainhub==0.1.21
-langgraph==0.2.59
-langgraph-checkpoint==2.0.5
+langgraph==0.2.72
+langgraph-checkpoint==2.0.13
 langgraph-sdk==0.1.44
 litellm==1.60.2
 lxml==5.3.0