diff --git a/pyproject.toml b/pyproject.toml
index a158c1fda78..93f49d17f16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ langchain-google-genai = "2.1.3"
 langchain-mcp-adapters = "0.0.9"
 langchain-huggingface = "0.1.2"
 langchain-ollama = "0.3.2"
-langgraph = "0.3.31"
+langgraph = "0.3.34"
 qianfan = "0.4.12.3"
 zhipuai = "2.1.5.20250421"
 boto3 = "1.37.36"