diff --git a/requirements.txt b/requirements.txt
index 9a2c85e..25d46ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ pydantic==2.11.7
 pydantic-settings==2.10.1
 langgraph==0.5.4
 langchain-openai==0.3.28
-langchain-core==0.3.72
+langchain-core==1.2.22
 playwright==1.54.0
 python-dotenv==1.1.1
 mcp==1.19.0