diff --git a/python-ecosystem/mcp-client/requirements.txt b/python-ecosystem/mcp-client/requirements.txt
index bf0e326..05e7e9b 100644
--- a/python-ecosystem/mcp-client/requirements.txt
+++ b/python-ecosystem/mcp-client/requirements.txt
@@ -5,5 +5,5 @@ pydantic
 python-dotenv
 httpx
 langchain-openai==0.3.32
-langchain-core==0.3.75
+langchain-core==0.3.81
 mcp-use
\ No newline at end of file